Denx vulnerabilities

By year

Bars are flaws published each year; the red part is the share attackers have used.

Latest high and critical flaws

• CVE-2026-46728 Das U-Boot before 2026.04 allows FIT (Flat Image Tree) signature verification bypass because hashed-nodes is omitted from a hash.High 8.2 · May 16, 2026
• CVE-2025-24857 Improper access control for volatile memory containing boot code in Universal Boot Loader (U-Boot) before 2017.11 and Qualcomm chips IPQ4019, IPQ5018, IPQ5322, High 7.6 · Dec 10, 2025
• CVE-2024-57259 sqfs_search_dir in Das U-Boot before 2025.01-rc1 exhibits an off-by-one error and resultant heap memory corruption for squashfs directory listing because the paHigh 7.1 · Feb 18, 2025
• CVE-2024-57258 Integer overflows in memory allocation in Das U-Boot before 2025.01-rc1 occur for a crafted squashfs filesystem via sbrk, via request2size, or because ptrdiff_tHigh 7.1 · Feb 18, 2025
• CVE-2024-57256 An integer overflow in ext4fs_read_symlink in Das U-Boot before 2025.01-rc1 occurs for zalloc (adding one to an le32 variable) via a crafted ext4 filesystem witHigh 7.1 · Feb 18, 2025
• CVE-2024-57255 An integer overflow in sqfs_resolve_symlink in Das U-Boot before 2025.01-rc1 occurs via a crafted squashfs filesystem with an inode size of 0xffffffff, resultinHigh 7.1 · Feb 18, 2025
• CVE-2024-57254 An integer overflow in sqfs_inode_size in Das U-Boot before 2025.01-rc1 occurs in the symlink size calculation via a crafted squashfs filesystem.High 7.1 · Feb 18, 2025
• CVE-2024-42040 Buffer Overflow vulnerability in the net/bootp.c in DENEX U-Boot from its initial commit in 2002 (3861aa5) up to today on any platform allows an attacker on theHigh 8.1 · Aug 23, 2024
• CVE-2022-33103 Das U-Boot from v2020.10 to v2022.07-rc3 was discovered to contain an out-of-bounds write via the function sqfs_readdir().High 7.8 · Jul 1, 2022
• CVE-2022-30767 nfs_lookup_reply in net/nfs.c in Das U-Boot through 2022.04 (and through 2022.07-rc2) has an unbounded memcpy with a failed length check, leading to a buffer ovCritical 9.8 · May 15, 2022
• CVE-2021-27138 The boot loader in Das U-Boot before 2021.04-rc2 mishandles use of unit addresses in a FIT.High 7.8 · Feb 17, 2021
• CVE-2021-27097 The boot loader in Das U-Boot before 2021.04-rc2 mishandles a modified FIT.High 7.8 · Feb 17, 2021
• CVE-2020-8432 In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function.Critical 9.8 · Jan 29, 2020
• CVE-2019-13105 Das U-Boot versions 2019.07-rc1 through 2019.07-rc4 can double-free a cached block of data when listing files in a crafted ext4 filesystem.High 7.8 · Aug 6, 2019
• CVE-2019-11059 Das U-Boot 2016.11-rc1 through 2019.04 mishandles the ext4 64-bit extension, resulting in a buffer overflow.Critical 9.8 · May 10, 2019
• CVE-2018-3968 An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2.High 7 · Mar 21, 2019
• CVE-2018-18440 DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.High 7.8 · Nov 20, 2018
• CVE-2018-18439 DENX U-Boot through 2018.09-rc1 has a remotely exploitable buffer overflow via a malicious TFTP server because TFTP traffic is mishandled.Critical 9.8 · Nov 20, 2018