CVE Catalog

CVE-2026-118384

MediumCVSS 6.1
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.32%

25th percentile - higher than 25% of all known CVEs

Summary

GNU mtools before 4.0.50 has an out-of-bounds write in parse_vses in vfat.c. The flaw can lead to memory corruption when processing crafted VFAT filesystem data.

Risk Assessment

This may result in an application crash or potentially arbitrary code execution in the context of the user processing malicious VFAT disk images.

Recommendation

Update GNU mtools to version 4.0.50 or later. Avoid processing untrusted VFAT disk images until the update is applied.

Related vulnerabilities

Original NVD description (English source)

GNU mtools before 4.0.50 has an out-of-bounds write in parse_vses in vfat.c.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS