CVE-2026-112055
wvWare wv through 1.2.9 Stack Out-of-Bounds Read via wvGetPAPX_FKP and wvGetCHPX_FKP
- State
- Published
- Severity
- 6.8 Medium
- Published
- Oct 18, 2026
- Updated
- Oct 19, 2026
- Reserved
- Oct 18, 2026
Description
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 past the 512-byte stack buffer, crashing applications like AbiWord.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.8 Medium | 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 | VulnCheck |
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
wvwvWare |
|
References
- https://hackmd.io/@haindpwn/wv-fkp-crun-stsh-cstd-oob-readthird-party-advisory
- https://github.com/AbiWord/wv/blob/wv-1-2-9/fkp.c#L122technical-description
- VulnCheck Advisory: wvWare wv through 1.2.9 Stack Out-of-Bounds Read via wvGetPAPX_FKP and wvGetCHPX_FKPthird-party-advisory
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