{"id":"CVE-2026-111677","revision":"e532046dd1d34bd493b59fdcfdedbe7e","records":[{"revision":"e532046dd1d34bd493b59fdcfdedbe7e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111677","aliases":[],"title":"Antiword through 0.37 Heap Out-of-Bounds Read via vGet8LstInfo in prop8.c","description":"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.","state":0,"publishedAt":"2026-10-16T17:39:36.663+00:00","modifiedAt":"2026-10-18T12:26:10.819+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:H/SC:N/SI:N/SA:N","score":6.8,"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:H","score":5.5,"severity":"MEDIUM"}],"references":["https://hackmd.io/@haindpwn/antiword-word8-plcflst-count-and-fkp-run-oob-read","https://github.com/rsdoiel/antiword/blob/fe4b579067122a2d9d62647efb1ee7cfe3ca92bb/prop8.c#L799-L825","https://www.vulncheck.com/advisories/antiword-through-0.37-heap-out-of-bounds-read-via-vget8lstinfo-in-prop8-c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111677","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111677","identifiers":["CVE-2026-111677"]},"retained":false,"historicalAffected":[]}],"coverage":[]}