HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-34961 — barebox prior to version 2026.04.0 contains out-of-bounds read vulnerabilities i...

·Source: NIST NVD

Updated:

Executive 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 arb

Analysis

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. CVSS Score: 6.2. Published: 2026-05-11T22:22:11.000.

Indicators of Compromise (1)

CVE (1)
CVE-2026-34961
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on May 11, 2026. Verified by: NIST.

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