Search criteria
5 vulnerabilities by barebox
CVE-2026-34963 (GCVE-0-2026-34963)
Vulnerability from cvelistv5 – Published: 2026-05-11 22:17 – Updated: 2026-05-25 23:42
VLAI
Title
barebox EFI PE Loader Memory Safety Vulnerabilities
Summary
barebox version prior to 2026.04.0 contains multiple memory-safety vulnerabilities in the EFI PE loader in efi/loader/pe.c where integer overflow in virtual image size computation using 32-bit arithmetic on section VirtualAddress and size values allows undersized heap allocation, and PE section loading logic fails to validate that PointerToRawData plus copied size remains within the PE file buffer. An attacker can supply a malicious EFI PE binary via TFTP, USB, SD card, or network boot to trigger heap buffer overflow or out-of-bounds read from heap memory, potentially achieving code execution in bootloader context.
Severity
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/barebox/barebox | product |
| https://github.com/barebox/barebox/releases/tag/v… | patch |
| https://www.vulncheck.com/advisories/barebox-efi-… | third-party-advisory |
Impacted products
Date Public
2026-05-11 22:00
Credits
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CVE-2026-34962 (GCVE-0-2026-34962)
Vulnerability from cvelistv5 – Published: 2026-05-11 21:58 – Updated: 2026-05-25 23:42
VLAI
Title
barebox ext4 Directory Parsing Infinite Loop Denial of Service
Summary
barebox version prior to 2026.04.0 contains a denial-of-service vulnerability in ext4 directory parsing in fs/ext4/ext4_common.c where the ext4fs_iterate_dir() function fails to validate that directory entry length values are non-zero. Attackers can supply a malicious ext4 filesystem image with a crafted directory entry containing a direntlen value of 0 to cause an infinite loop during directory listing or path resolution, resulting in the boot process hanging indefinitely.
Severity
6.2 (Medium)
CWE
- CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/barebox/barebox | product |
| https://github.com/barebox/barebox/releases/tag/v… | patch |
| https://www.vulncheck.com/advisories/barebox-ext4… | third-party-advisory |
Date Public
2026-05-11 22:00
Credits
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CVE-2026-34961 (GCVE-0-2026-34961)
Vulnerability from cvelistv5 – Published: 2026-05-11 21:09 – Updated: 2026-05-25 23:42
VLAI
Title
barebox ext4 Extent Parsing Out-of-Bounds Read
Summary
barebox prior to version 2026.04.0 contains out-of-bounds read vulnerabilities in ext4 extent parsing due to missing validation of the eh_entries field against buffer capacity in fs/ext4/ext4_common.c. Attackers can supply a malicious ext4 filesystem image via USB, SD card, or network boot to trigger heap out-of-bounds reads during boot-time filesystem parsing, potentially redirecting reads to arbitrary disk offsets.
Severity
6.2 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/barebox/barebox | product |
| https://github.com/barebox/barebox/releases/tag/v… | patch |
| https://www.vulncheck.com/advisories/barebox-ext4… | third-party-advisory |
Date Public
2026-05-10 21:00
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CVE-2026-34960 (GCVE-0-2026-34960)
Vulnerability from cvelistv5 – Published: 2026-05-11 20:49 – Updated: 2026-05-25 23:42
VLAI
Title
barebox Out-of-Bounds Read in DHCP Option Parsing
Summary
barebox prior to version 2026.04.0 contains an out-of-bounds read vulnerability in DHCP option parsing within the dhcp_message_type() function that fails to verify the options pointer remains within received packet bounds. An attacker on the same broadcast domain can send a crafted DHCP Offer or ACK packet without a proper 0xff end marker to cause the parser to read past valid packet data and potentially crash the system.
Severity
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/barebox/barebox | product |
| https://github.com/barebox/barebox/releases/tag/v… | patch |
| https://www.vulncheck.com/advisories/barebox-out-… | third-party-advisory |
Date Public
2026-05-11 21:00
Credits
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CVE-2026-33243 (GCVE-0-2026-33243)
Vulnerability from cvelistv5 – Published: 2026-03-20 22:51 – Updated: 2026-03-26 20:08
VLAI
Title
barebox: FIT Signature Verification Bypass Vulnerability
Summary
barebox is a bootloader. In barebox from version 2016.03.0 to before version 2026.03.1 (and the corresponding backport to 2025.09.3), an attacker could exploit a FIT signature verification vulnerability to trick the bootloader into booting different images than those that were verified as part of a signed configuration. mkimage(1) sets the hashed-nodes property of the FIT signature node to list which nodes of the FIT were hashed as part of the signing process as these will need to be verified later on by the bootloader. However, hashed-nodes itself is not part of the hash and could therefore be modified to allow booting different images than those that have been verified. This issue has been patched in barebox versions 2026.03.1 and backported to 2025.09.3.
Severity
8.3 (High)
CWE
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/barebox/barebox/security/advis… | x_refsource_CONFIRM |
| https://github.com/barebox/barebox/commit/aca0179… | x_refsource_MISC |
Impacted products
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