{"id":"CVE-2026-111678","revision":"affa9f88261646f09a387304032e5208","records":[{"revision":"affa9f88261646f09a387304032e5208","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-111678","aliases":[],"title":"Antiword through 0.37 Stack Out-of-Bounds Read via prop8.c FKP Parsing","description":"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.","state":0,"publishedAt":"2026-10-16T17:39:37.367+00:00","modifiedAt":"2026-10-23T14:03:28.591+00:00","affected":[{"ecosystem":"Vendor product","name":"antiword","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Adri van Os\",\n                    \"product\": \"antiword\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"0.37\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/rsdoiel/antiword\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":4.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":3.3,"severity":"LOW"}],"references":["https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read","https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L997-L1022","https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L1461-L1474","https://www.vulncheck.com/advisories/antiword-through-0.37-stack-out-of-bounds-read-via-prop8-c-fkp-parsing"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111678","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111678","identifiers":["CVE-2026-111678"]},"retained":false,"historicalAffected":[]}],"coverage":[]}