{"id":"CVE-2026-111270","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-111270","generatedAt":"2026-10-28T06:35:49.588Z","title":"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.","description":"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.","published":"2026-10-15T22:19:28.000Z","lastModified":"2026-10-21T02:17:05.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.9,"severity":"MEDIUM","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-787"],"affected":[],"epss":{"score":0.00196,"percentile":0.09196,"date":"2026-10-27","history":[{"date":"2026-10-16","score":0.0013,"percentile":0.02312}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-15T22:19:28.000Z","detail":{"score":"6.9","severity":"MEDIUM","publishedAt":"2026-10-15T22:19:27.820Z"},"summary":"New CVE, medium severity (CVSS 6.9)."}],"references":[{"url":"https://github.com/Konstanty/libmodplug","source":"disclosure@vulncheck.com"},{"url":"https://github.com/Konstanty/libmodplug/blob/d1b97ed0020bc620a059d3675d1854b40bd2608d/src/load_dsm.cpp#L130-L139","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/libmodplug-dsm-pattern-oob-write","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/libmodplug-through-0.8.9.1-heap-out-of-bounds-write-via-csoundfile-readdsm","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/cve-2026-111270-111271-libmodplug-dsm-pattern-oob-write","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-111270","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}