{"id":"CVE-2026-111677","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.","modified":"2026-10-24T02:49:51.667823680Z","published":"2026-10-16T17:39:36.663Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111677.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111677.json"},{"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-2026-111677"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/antiword-through-0.37-heap-out-of-bounds-read-via-vget8lstinfo-in-prop8-c"},{"type":"PACKAGE","url":"https://github.com/rsdoiel/antiword"},{"type":"ARTICLE","url":"https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L799-L825"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/rsdoiel/antiword","events":[{"introduced":"0"},{"last_affected":"fe4b579067122a2d9d62647efb1ee7cfe3ca92bb"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"0"},{"last_affected":"0.37"}],"source":"AFFECTED_FIELD","strategy":"StandardRange"},{"cpe":"cpe:2.3:a:antiword_project:antiword:*:*:*:*:*:*:*:*","range":[{"introduced":"0"},{"last_affected":"0.37"}],"source":"CPE_RANGE"}]}}],"versions":["0.37"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-111677.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:H/SC:N/SI:N/SA:N"}]}