{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-111271", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-15T19:33:19.766Z", "datePublished": "2026-10-15T21:43:18.348Z", "dateUpdated": "2026-10-15T21:43:18.348Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-15T21:43:18.348Z"}, "datePublic": "2026-10-15T00:00:00.000Z", "title": "libmodplug through 0.8.9.1 Heap Out-of-Bounds Read via CSoundFile::ReadAMS2", "descriptions": [{"lang": "en", "value": "libmodplug through 0.8.9.1 contains a heap-based out-of-bounds read vulnerability in CSoundFile::ReadAMS2() in src/load_ams.cpp that allows attackers to read adjacent heap memory via crafted AMS files. Attackers can supply an AMS module whose pattern effect bytes keep bit 7 set, driving the decoder past the input buffer and crashing any libmodplug consumer."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Out-of-bounds Read", "cweId": "CWE-125", "type": "CWE"}]}], "affected": [{"vendor": "Konstanty Bialkowski", "product": "libmodplug", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "0.8.9.1", "status": "affected", "versionType": "custom"}], "packageURL": "pkg:github/Konstanty/libmodplug", "repo": "https://github.com/Konstanty/libmodplug"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:konstanty_bialkowski:libmodplug:*:*:*:*:*:*:*:*", "versionEndIncluding": "0.8.9.1"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://hackmd.io/@haind-pwn/libmodplug-dsm-pattern-oob-write", "tags": ["technical-description"]}, {"url": "https://github.com/Konstanty/libmodplug/blob/d1b97ed0020bc620a059d3675d1854b40bd2608d/src/load_ams.cpp#L509-L537", "tags": ["technical-description"]}, {"url": "https://github.com/Konstanty/libmodplug", "tags": ["product"]}, {"name": "VulnCheck Advisory: libmodplug through 0.8.9.1 Heap Out-of-Bounds Read via CSoundFile::ReadAMS2", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/libmodplug-through-0.8.9.1-heap-out-of-bounds-read-via-csoundfile-readams2"}], "credits": [{"lang": "en", "value": "HaiND from the Post and Telecommunication Institute of Technology", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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