{"id":"CVE-2026-111678","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.","modified":"2026-10-17T02:48:21.236789433Z","published":"2026-10-16T17:39:37.367Z","database_specific":{"cwe_ids":["CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111678.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111678.json"},{"type":"PACKAGE","url":"https://github.com/rsdoiel/antiword"},{"type":"ARTICLE","url":"https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L1461-L1474"},{"type":"ARTICLE","url":"https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L997-L1022"},{"type":"ADVISORY","url":"https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-111678"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/antiword-through-0.37-stack-out-of-bounds-read-via-prop8-c-fkp-parsing"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rsdoiel/antiword","events":[{"introduced":"0"},{"last_affected":"fe4b579067122a2d9d62647efb1ee7cfe3ca92bb"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"0.37"}],"source":"AFFECTED_FIELD"}}],"versions":["0.37"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111678.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}