{"id":"CVE-2026-112055","title":"wvWare wv through 1.2.9 Stack Out-of-Bounds Read via wvGetPAPX_FKP and wvGetCHPX_FKP","summary":"wvWare wv through 1.2.9 contains a stack-based out-of-bounds read vulnerability in wvGetPAPX_FKP and wvGetCHPX_FKP caused by an unvalidated FKP run count. Attackers can supply a crafted .doc file with a large crun value to read kilobytes…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"wvWare","product":"wv","affected":["wv <= 1.2.9"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T12:19:46.319Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112055","references":[{"url":"https://hackmd.io/@haindpwn/wv-fkp-crun-stsh-cstd-oob-read"},{"url":"https://github.com/AbiWord/wv/blob/wv-1-2-9/fkp.c#L122"},{"url":"https://www.vulncheck.com/advisories/wvware-wv-through-1.2.9-stack-out-of-bounds-read-via-wvgetpapx-fkp-and-wvgetchpx-fkp","label":"VulnCheck Advisory: wvWare wv through 1.2.9 Stack Out-of-Bounds Read via wvGetPAPX_FKP and wvGetCHPX_FKP"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T12:41:54.062Z","slug":"CVE-2026-112055","body":"## Overview\n\nwvWare wv through 1.2.9 contains a stack-based out-of-bounds read vulnerability in wvGetPAPX_FKP and wvGetCHPX_FKP caused by an unvalidated FKP run count. Attackers can supply a crafted .doc file with a large crun value to read kilobytes past the 512-byte stack buffer, crashing applications like AbiWord.\n\n## Affected\n\n- `wv <= 1.2.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}