Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-34961

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 0.4%
CVSS Severity
CVSS v3 Score 6.2
Products affected by CVE-2026-34961


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