{"id":"CVE-2026-112056","title":"wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH","summary":"wvWare wv through 1.2.9 contains a heap-based out-of-bounds read vulnerability in wvGetSTSH in stylesheet.c that allows attackers to crash applications by supplying crafted Word stylesheets. Attackers can provide a .doc file with ten or …","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":"2026-10-18T12:19:47.212Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112056","references":[{"url":"https://hackmd.io/@haindpwn/wv-fkp-crun-stsh-cstd-oob-read"},{"url":"https://github.com/AbiWord/wv/blob/wv-1-2-9/stylesheet.c#L447"},{"url":"https://www.vulncheck.com/advisories/wvware-wv-through-1.2.9-heap-out-of-bounds-read-via-wvgetstsh","label":"VulnCheck Advisory: wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T12:41:54.059Z","slug":"CVE-2026-112056","body":"## Overview\n\nwvWare wv through 1.2.9 contains a heap-based out-of-bounds read vulnerability in wvGetSTSH in stylesheet.c that allows attackers to crash applications by supplying crafted Word stylesheets. Attackers can provide a .doc file with ten or fewer styles or out-of-range style base indexes to read past heap arrays, crashing applications such as 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":[]}