{"schema":"threatline.record/2","record":{"id":"CVE-2026-111677","aliases":[],"summary":"Antiword through 0.37 Heap Out-of-Bounds Read via vGet8LstInfo in prop8.c","details":"Antiword through 0.37 contains a heap out-of-bounds read vulnerability in vGet8LstInfo in prop8.c caused by an inverted bounds check on the PlcfLst record count. Attackers can supply a crafted Word 8 .doc file claiming up to 0xffff LSTF records in a tiny buffer, causing reads past the heap allocation that crash the process.","categories":["Unclassified"],"product":"antiword","vendor":"Adri van Os","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111677","source_modified_at":"2026-10-18T12:26:10.819Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"antiword","vendor":"Adri van Os","versions":[{"version":"0","lessThanOrEqual":"0.37","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0019,"percentile":0.08179,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:39:36.663Z","modified_at":"2026-10-18T12:26:10.819Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111677","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-18T12:26:10.819Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111677","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L799-L825","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/antiword-through-0.37-heap-out-of-bounds-read-via-vget8lstinfo-in-prop8-c","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-16T18:30:26.760021Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-18T12:26:10.819Z","content_hash":"42b191bc6841bd62b9ea9331349942b39613577c483c72a4f14a3be337c8c462"}}