Updated 4 h ago

Vulnerability database

Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.

1,764exploited flaws on CISA’s list

35added in the last 30 days

479new WordPress flaws this week

390,525entries in the database

1,266 results · page 7 of 26

Dec 22, 2022If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would haveCVE-2022-28281 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
If a compromised content process sent an unexpected number of WebAuthN Extensions in a Register command to the parent process, an out of bounds write would have occurred leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022When displaying the sender of an email, and the sender name contained the Braille Pattern Blank space character multiple times, Thunderbird would have displayedCVE-2022-1834 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
When displaying the sender of an email, and the sender name contained the Braille Pattern Blank space character multiple times, Thunderbird would have displayed all the spaces. This could have been used by an attacker to send an email message with the attacker's digital signature, that was shown with an arbitrary sender email address chosen by the attacker. If the sender name started with a false email address, followed by many Braille space characters, the attacker's email address was not visible. Because Thunderbird compared the invisible sender address with the signature's email address, if the signing key or certificate was accepted by Thunderbird, the email was shown as having a valid digital signature. This vulnerability affects Thunderbird < 91.10.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryCVE-2022-1520 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 4.3
When viewing an email message A, which contains an attached message B, where B is encrypted or digitally signed or both, Thunderbird may show an incorrect encryption or signature status. After opening and viewing the attached message B, when returning to the display of message A, the message A might be shown with the security status of message B. This vulnerability affects Thunderbird < 91.9.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022When importing a revoked key that specified key compromise as the revocation reason, Thunderbird did not update the existing copy of the key that was not yet reCVE-2022-1197 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 5.4
When importing a revoked key that specified key compromise as the revocation reason, Thunderbird did not update the existing copy of the key that was not yet revoked, and the existing key was kept as non-revoked. Revocation statements that used another revocation reason, or that didn't specify a revocation reason, were unaffected. This vulnerability affects Thunderbird < 91.8.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash.CVE-2022-1196 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8 and Firefox ESR < 91.8.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-freeCVE-2022-1097 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
<code>NSSToken</code> objects were referenced via direct points, and could have been accessed in an unsafe way on different threads, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022It may be possible for an attacker to craft an email message that causes Thunderbird to perform an out-of-bounds write of one byte when processing the message.CVE-2022-0566 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
It may be possible for an attacker to craft an email message that causes Thunderbird to perform an out-of-bounds write of one byte when processing the message. This vulnerability affects Thunderbird < 91.6.1.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited.CVE-2021-4127 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgCritical 9.8
An out of date graphics library (Angle) likely contained vulnerabilities that could potentially be exploited. This vulnerability affects Thunderbird < 78.9 and Firefox ESR < 78.9.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022When receiving an OpenPGP/MIME signed email message that contains an additional outer MIME message layer, for example a message footer added by a mailing list gCVE-2021-4126 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
When receiving an OpenPGP/MIME signed email message that contains an additional outer MIME message layer, for example a message footer added by a mailing list gateway, Thunderbird only considered the inner signed message for the signature validity. This gave the false impression that the additional contents were also covered by the digital signature. Starting with Thunderbird version 91.4.1, only the signature that belongs to the top level MIME part will be considered for the displayed status. This vulnerability affects Thunderbird < 91.4.1.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 22, 2022During the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session.CVE-2020-15685 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
During the plaintext phase of the STARTTLS connection setup, protocol commands could have been injected and evaluated within the encrypted session. This vulnerability affects Thunderbird < 78.7.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Dec 21, 2022A vulnerability, which was classified as problematic, has been found in sileht bird-lg.CVE-2021-4274 · Other software · sileht · reported by VulDBLow 3.5
A vulnerability, which was classified as problematic, has been found in sileht bird-lg. This issue affects some unknown processing of the file templates/layout.html. The manipulation of the argument request_args leads to cross site scripting. The attack may be initiated remotely. The name of the patch is ef6b32c527478fefe7a4436e10b96ee28ed5b308. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216479.
Product
bird-lg
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record github.com github.com
Nov 18, 2022When xdg-mail is configured to use thunderbird for mailto URLs, improper parsing of the URL can lead to additional headers being passed to thunderbird that shouCVE-2022-4055 · Other software · Freedesktop · reported by Red HatHigh 7.4
When xdg-mail is configured to use thunderbird for mailto URLs, improper parsing of the URL can lead to additional headers being passed to thunderbird that should not be included per RFC 2368. An attacker can use this method to create a mailto URL that looks safe to users, but will actually attach files when clicked.
Product
Xdg-utils
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record gitlab.freedesktop.org gitlab.freedesktop.org
Apr 18, 2022Hummingbird: Does not sanitise and escape the Config NameCVE-2022-0994 · WordPress plugins & themes · reported by WPScanMedium 4.8
The Hummingbird WordPress plugin before 3.3.2 does not sanitise and escape the Config Name, which could allow high privilege users, such as admin to perform cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
Product
Hummingbird
Fixed in
3.3.2
What to do
Update Hummingbird to 3.3.2 or newer.
Full record and what to do →NVD record wpscan.com wpscan.com
Dec 8, 2021It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor.CVE-2021-43546 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 4.3
It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021Using the Location API in a loop could have caused severe application hangs and crashes.CVE-2021-43545 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content.CVE-2021-43543 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.1
Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols.CVE-2021-43542 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped.CVE-2021-43541 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers.CVE-2021-43539 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock CVE-2021-43538 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 4.3
By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash.CVE-2021-43537 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL.CVE-2021-43536 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 8, 2021Thunderbird unexpectedly enabled JavaScript in the composition area.CVE-2021-43528 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Dec 6, 2021Git-it through 4.4.0 allows OS command injection at the Branches Aren't Just For Birds challenge step.CVE-2021-44685 · Other software · Git-it Project · reported by MITRECritical 9.8
Git-it through 4.4.0 allows OS command injection at the Branches Aren't Just For Birds challenge step. During the verification process, it attempts to run the reflog command followed by the current branch name (which is not sanitized for execution).
Product
Git-it
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record github.com github.com
Nov 2, 2021Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection.CVE-2021-38502 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 5.9
Thunderbird ignored the configuration to require STARTTLS security for an SMTP connection. A MITM could perform a downgrade attack to intercept transmitted messages, or could take control of the authenticated session to execute SMTP commands chosen by the MITM. If an unprotected authentication method was configured, the MITM could obtain the authentication credentials, too. This vulnerability affects Thunderbird < 91.2.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Nov 2, 2021Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1.CVE-2021-38500 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Nov 2, 2021During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crashCVE-2021-38496 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org lists.debian.org
Nov 2, 2021Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0.CVE-2021-38495 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 91.1 and Firefox ESR < 91.1.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Oct 4, 2021In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause CVE-2021-21704 · Websites & servers · PHP Group · reported by security@php.netMedium 5
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(), fetch() and others by returning invalid response data that is not parsed correctly by the driver. This can result in crashes, denial of service or potentially memory corruption.
Product
PHP
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugs.php.net bugs.php.net
Sep 10, 2021Integration of Moneybird for WooCommerce: Reflected Cross-Site ScriptingCVE-2021-38349 · WordPress plugins & themes · reported by WordfenceMedium 6.1
The Integration of Moneybird for WooCommerce WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the error_description parameter found in the ~/templates/wcmb-admin.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 2.1.1.
Product
Integration of Moneybird for WooCommerce
Affected
up to 2.1.1
What to do
Affects up to 2.1.1. Update Integration of Moneybird for WooCommerce to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD record plugins.trac.wordpress.org wordfence.com
Sep 6, 2021The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between twoCVE-2021-40529 · Other software · Botan Project · reported by MITREMedium 5.9
The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.
Product
Botan
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record eprint.iacr.org github.com
Aug 17, 2021Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12.CVE-2021-29989 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.13, Firefox ESR < 78.13, and Firefox < 91.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Aug 17, 2021Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitabCVE-2021-29988 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Aug 17, 2021A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash.CVE-2021-29986 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.1
A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Aug 17, 2021A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash.CVE-2021-29985 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Aug 17, 2021Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection.CVE-2021-29984 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Aug 17, 2021Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash.CVE-2021-29980 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Aug 5, 2021Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird.CVE-2021-29976 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Aug 5, 2021A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash.CVE-2021-29970 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Aug 5, 2021If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS hanCVE-2021-29969 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 5.9
If Thunderbird was configured to use STARTTLS for an IMAP connection, and an attacker injected IMAP server responses prior to the completion of the STARTTLS handshake, then Thunderbird didn't ignore the injected data. This could have resulted in Thunderbird showing incorrect information, for example the attacker could have tricked Thunderbird to show folders that didn't exist on the IMAP server. This vulnerability affects Thunderbird < 78.12.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Jul 12, 2021The Filebird Plugin 4.7.3 introduced a SQL injection vulnerability as it is making SQL queries without escaping user input data from a HTTP post request.CVE-2021-24385 · WordPress plugins & themes · reported by WPScanCritical 9.8
The Filebird Plugin 4.7.3 introduced a SQL injection vulnerability as it is making SQL queries without escaping user input data from a HTTP post request. This is a major vulnerability as the user input is not escaped and passed directly to the get_col function and it allows SQL injection. The Rest API endpoint which invokes this function also does not have any required permissions/authentication and can be accessed by an anonymous user.
Affected
4.7.3 to 4.7.3
What to do
Affects 4.7.3 to 4.7.3. Update the plugin to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.
Full record and what to do →NVD record 10up.com wpscan.com
Jun 24, 2021Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11.CVE-2021-29967 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 8.8
Mozilla developers reported memory safety bugs present in Firefox 88 and Firefox ESR 78.11. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org security.gentoo.org
Jun 24, 2021A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read.CVE-2021-29964 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 7.1
A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Jun 24, 2021If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicCVE-2021-29957 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 4.3
If a MIME encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only parts of the message are protected. This vulnerability affects Thunderbird < 78.10.2.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Jun 24, 2021OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored unencrypted on the user's local disk.CVE-2021-29956 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 4.3
OpenPGP secret keys that were imported using Thunderbird version 78.8.1 up to version 78.10.1 were stored unencrypted on the user's local disk. The master password protection was inactive for those keys. Version 78.10.2 will restore the protection mechanism for newly imported keys, and will automatically protect keys that had been imported using affected Thunderbird versions. This vulnerability affects Thunderbird < 78.10.2.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Jun 24, 2021The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network, grants normal remote users access to start or stop theCVE-2021-29951 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
The Mozilla Maintenance Service granted SERVICE_START access to BUILTIN|Users which, in a domain network, grants normal remote users access to start or stop the service. This could be used to prevent the browser update service from operating (if an attacker spammed the 'Stop' command); but also exposed attack surface in the maintenance service. *Note: This issue only affected Windows operating systems older than Win 10 build 1709. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.10.1, Firefox < 87, and Firefox ESR < 78.10.1.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Jun 24, 2021Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task.CVE-2021-29950 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 7.5
Thunderbird unprotects a secret OpenPGP key prior to using it for a decryption, signing or key import task. If the task runs into a failure, the secret key may remain in memory in its unprotected state. This vulnerability affects Thunderbird < 78.8.1.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Jun 24, 2021When loading the shared library that provides the OTR protocol implementation, Thunderbird will initially attempt to open it using a filename that isn't distribCVE-2021-29949 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgHigh 7.8
When loading the shared library that provides the OTR protocol implementation, Thunderbird will initially attempt to open it using a filename that isn't distributed by Thunderbird. If a computer has already been infected with a malicious library of the alternative filename, and the malicious library has been copied to a directory that is contained in the search path for executable libraries, then Thunderbird will load the incorrect library. This vulnerability affects Thunderbird < 78.9.1.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Jun 24, 2021Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replaciCVE-2021-29948 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgLow 2.5
Signatures are written to disk before and read during verification, which might be subject to a race condition when a malicious local process or user is replacing the file. This vulnerability affects Thunderbird < 78.10.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org
Jun 24, 2021An attacker may perform a DoS attack to prevent a user from sending encrypted email to a correspondent.CVE-2021-23993 · Computers, phones & browsers · Mozilla · reported by security@mozilla.orgMedium 6.5
An attacker may perform a DoS attack to prevent a user from sending encrypted email to a correspondent. If an attacker creates a crafted OpenPGP key with a subkey that has an invalid self signature, and the Thunderbird user imports the crafted key, then Thunderbird may try to use the invalid subkey, but the RNP library rejects it from being used, causing encryption to fail. This vulnerability affects Thunderbird < 78.9.1.
Product
Thunderbird
What to do
Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD record bugzilla.mozilla.org mozilla.org

Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.

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