6.1
Medium
GNU mtools through 4.0.49 has an out-of-bounds write in parsevses in vfat.c.
CVE-2026-118384
GNU mtools through 4.0.49 has an out-of-bounds write in parsevses in vfat.c.
Assessment
- CVSS
- 6.1 (v3.1)
- Severity
- Medium
- EPSS
- 0.32% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 28 October 2026
- Last updated
- 31 October 2026
- Affected
- GNU
- Assigner
- mitre
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
At the source
References
- https://ftp.gnu.org/gnu/mtools/mtools-4.0.49.tar.gz
- https://lists.gnu.org/archive/html/info-gnu/2025-06/msg00004.html
- https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L444-L445
- https://github.com/deepin-community/mtools/blob/16d295331a1cfbcf02ad0b2f03c9b906197cf3ee/vfat.c#L399
Query this programmatically
Agents can read this through the MCP endpoint, or over HTTP:
curl https://cve.zerocrew.in/api/cve/CVE-2026-118384