CVE-2026-112056
mediumwvWare 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 supp…
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.
CVSS
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (disclosure@vulncheck.com)
Timeline (UTC)
Published: 2026-10-18 13:16
Modified: 2026-10-19 21:14
NVD status: Deferred
Last synced 1 day ago
Verified against the source API 2026-10-27 07:03 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/AbiWord/wv/blob/wv-1-2-9/stylesheet.c#L447 disclosure@vulncheck.com
- https://hackmd.io/@haindpwn/wv-fkp-crun-stsh-cstd-oob-read disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/wvware-wv-through-1.2.9-heap-out-of-bounds-read-via-w... disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:03 UTC · record ↗