{"id":"CVE-2026-112056","aliases":["DEBIAN-CVE-2026-112056","EUVD-2026-103518","GHSA-jhv8-9974-jvpp","UBUNTU-CVE-2026-112056"],"status":"published","title":"wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH","description":"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.","severity":{"version":"4.0","score":6.8,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00118,"percentile":0.01727,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-18T12:19:47Z","modified":"2026-10-28T20:15:43Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-5","1.2.9-6","1.2.9-6.1","1.2.9-6.1~exp1","1.2.9-7","1.2.9-8","1.2.9-9"]},{"source":"osv","ecosystem":"Debian:13","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-8","1.2.9-9"]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-3"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-4.1","1.2.9-4.2"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-4.2build1"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-4.2build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-4.2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-5","1.2.9-6","1.2.9-7build1","1.2.9-8"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-8build2","1.2.9-9"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"wv","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.9-8build1","1.2.9-8build2"]}],"products":[{"vendor":"wvware","product":"wv"}],"references":[{"url":"https://hackmd.io/@haindpwn/wv-fkp-crun-stsh-cstd-oob-read","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/AbiWord/wv/blob/wv-1-2-9/stylesheet.c#L447","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/wvware-wv-through-1.2.9-heap-out-of-bounds-read-via-wvgetstsh","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112056","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jhv8-9974-jvpp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112056.json","tags":["advisory"]},{"url":"https://github.com/AbiWord/wv","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-112056","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-112056","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-112056","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-112056","title":"wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH","description":"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.","status":"published","published":"2026-10-18T12:19:47.212Z","modified":"2026-10-19T16:37:58.644Z","cvss":[{"version":"4.0","score":6.8,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T13:44:51.734189Z"}],"euvd":[{"id":"EUVD-2026-103518","description":"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.","status":"published","published":"2026-10-18T12:19:47Z","modified":"2026-10-19T16:37:58Z","cvss":[{"version":"4.0","score":6.8,"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","level":"medium"}],"updated_at":"2026-11-02T16:59:50.835971Z"}],"ghsa":[{"id":"GHSA-jhv8-9974-jvpp","title":"wvWare wv through 1.2.9 contains a heap-based out-of-bounds read vulnerability in wvGetSTSH in...","description":"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.","status":"published","published":"2026-10-18T15:30:31Z","modified":"2026-10-18T15:30:37Z","cvss":[{"version":"4.0","score":6.8,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:13:54.841211Z"}],"nvd":[{"id":"CVE-2026-112056","description":"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.","status":"published","published":"2026-10-18T13:16:37.89Z","modified":"2026-10-19T21:14:14.15Z","cvss":[{"version":"4.0","score":6.8,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:13:00.123071Z"}],"osv":[{"id":"CVE-2026-112056","title":"wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH","description":"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.","status":"published","published":"2026-10-18T12:19:47.212Z","modified":"2026-10-28T02:30:58.232879566Z","cvss":[{"version":"4.0","score":6.8,"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","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:44:55.938017Z"},{"id":"DEBIAN-CVE-2026-112056","description":"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.","status":"published","published":"2026-10-18T13:16:37.89Z","modified":"2026-10-23T18:05:32.6513318Z","cvss":[{"version":"4.0","score":6.8,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-112056","description":"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.","status":"published","published":"2026-10-18T13:16:00Z","modified":"2026-10-28T20:15:43.190858436Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":6.8,"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","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"}]}}