barebox ext4 Extent Parsing Out-of-Bounds Read_CVE-2026-34961

6.2 / 10

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Basic Information

ID CVE-2026-34961

Source VulnCheck

Published May 11, 2026 at 21:09

Affected Product

Vendor barebox

Product barebox

Affected Versions barebox barebox 0

CWE Classification

CWE-125

References

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    "published": "2026-05-11T21:09:10.670Z",
    "modified": "2026-05-11T21:09:10.670Z",
    "type": "cve",
    "title": "barebox ext4 Extent Parsing Out-of-Bounds Read",
    "source": "VulnCheck",
    "references": "https://github.com/barebox/barebox\nhttps://github.com/barebox/barebox/releases/tag/v2026.04.0\nhttps://www.vulncheck.com/advisories/barebox-ext4-extent-parsing-out-of-bounds-read",
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