CVE-2026-118384 GNU mtools through 4.0.49 has an out-of-bounds write in parse_vses in vfat.c.
PublishedGNU mtools before 4.0.50 has an out-of-bounds write in parse_vses in vfat.c.
Product
2 published CVES affecting debian/mtools, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
Newest publication first
GNU mtools before 4.0.50 has an out-of-bounds write in parse_vses in vfat.c.
MTools Mformat before 3.9.9, when installed setuid root, creates files with world-readable and world-writable permissions, which allows local users to read and overwrite files.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.