{"id":"CVE-2026-112056","summary":"wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH","details":"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 fewer styles or out-of-range style base indexes to read past heap arrays, crashing applications such as AbiWord.","modified":"2026-10-20T02:31:04.457039204Z","published":"2026-10-18T12:19:47.212Z","database_specific":{"cwe_ids":["CWE-125"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112056.json","cna_assigner":"VulnCheck"},"references":[{"type":"PACKAGE","url":"https://github.com/AbiWord/wv"},{"type":"ARTICLE","url":"https://github.com/AbiWord/wv/blob/wv-1-2-9/stylesheet.c#L447"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112056.json"},{"type":"ADVISORY","url":"https://hackmd.io/@haindpwn/wv-fkp-crun-stsh-cstd-oob-read"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112056"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/wvware-wv-through-1.2.9-heap-out-of-bounds-read-via-wvgetstsh"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/abiword/wv","events":[{"introduced":"0"},{"last_affected":"30692affae5ee38f4804e1621e10e1f4f58d3fd3"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"1.2.9"}],"source":"AFFECTED_FIELD"}}],"versions":["wv-1-2-9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-112056.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"}]}