CVE-2026-111270

EUVD-2026-102525
libmodplug through 0.8.9.1 contains a heap-based out-of-bounds write in CSoundFile::ReadDSM() in src/load_dsm.cpp because nPat is never checked against MAX_PATTERNS. Attackers can supply a crafted DSM file with over 240 PATT chunks or a wrapping patt_len value to corrupt heap memory and crash the consuming process.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
6.1 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
konstanty_bialkowskilibmodplug
𝑥
≤ 0.8.9.1
CNA
Debian logo
Debian Releases
Debian Product
Codename
libmodplug
bookworm
undetermined
forky
undetermined
sid
undetermined
trixie
undetermined
Common Weakness Enumeration
References
https://github.com/Konstanty/libmodplug
https://github.com/Konstanty/libmodplug/blob/d1b97ed0020bc620a059d3675d1854b40bd2608d/src/load_dsm.cpp#L130-L139
https://hackmd.io/@haind-pwn/libmodplug-dsm-pattern-oob-write
https://www.vulncheck.com/advisories/libmodplug-through-0.8.9.1-heap-out-of-bounds-write-via-csoundfile-readdsm