{"schema":"threatline.record/2","record":{"id":"CVE-2026-111678","aliases":[],"summary":"Antiword through 0.37 Stack Out-of-Bounds Read via prop8.c FKP Parsing","details":"Antiword through 0.37 contains a stack out-of-bounds read vulnerability in vGet8PapInfo and vGet8ChrInfo in prop8.c because FKP run counts and grpprl offsets are not bounded. Attackers can supply a crafted .doc file with malicious FKP pages to read past the 512-byte stack buffer, crashing antiword or corrupting style parsing.","categories":["Unclassified"],"product":"antiword","vendor":"Adri van Os","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111678","source_modified_at":"2026-10-23T14:03:28.591Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"antiword","vendor":"Adri van Os","versions":[{"version":"0","lessThanOrEqual":"0.37","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":4.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00167,"percentile":0.05611,"score_date":"2026-10-23"},"published_at":"2026-10-16T17:39:37.367Z","modified_at":"2026-10-23T14:03:28.591Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111678","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T14:03:28.591Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111678","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#L997-L1022","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L1461-L1474","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/antiword-through-0.37-stack-out-of-bounds-read-via-prop8-c-fkp-parsing","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":"2026-10-23T14:03:08.685949Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-23T14:03:28.591Z","content_hash":"22a9de84b7c17d9f91036687050af134667d3d3ee308e17fe678aa5f823072fb"}}