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libmodplug through 0.8.9.1 Heap Out-of-Bounds Write via CSoundFile::ReadDSM

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-111270

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-111270

libmodplug

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://github.com/Konstanty/libmodplug",
    "vendor": "Konstanty Bialkowski",
    "product": "libmodplug",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "0.8.9.1"
      }
    ],
    "packageURL": "pkg:github/Konstanty/libmodplug",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-111270

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#45012 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement