CVE catalog
CVE-2026-112056
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
- Severity
- Medium · CVSS 6.8
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 - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.12% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | wv | sid | 1.2.9-9 | unknown |
| Debian | wv | trixie | 1.2.9-8 | unknown |
| Debian | wv | bookworm | 1.2.9-5 | unknown |
| Ubuntu | wv | 14.04 | 1.2.9-3 | vulnerable |
| Ubuntu | wv | 16.04 | 1.2.9-4.1 | vulnerable |
| Ubuntu | wv | 16.04 | 1.2.9-4.2 | vulnerable |
| Ubuntu | wv | 18.04 | 1.2.9-4.2build1 | vulnerable |
| Ubuntu | wv | 20.04 | 1.2.9-4.2build1 | vulnerable |
| Ubuntu | wv | 22.04 | 1.2.9-4.2build1 | vulnerable |
| Ubuntu | wv | 24.04 | 1.2.9-5 | vulnerable |
| Ubuntu | wv | 24.04 | 1.2.9-6 | vulnerable |
| Ubuntu | wv | 24.04 | 1.2.9-7build1 | vulnerable |
| Ubuntu | wv | 24.04 | 1.2.9-8 | vulnerable |
| Ubuntu | wv | 26.10 | 1.2.9-8build2 | vulnerable |
| Ubuntu | wv | 26.10 | 1.2.9-9 | vulnerable |
| Ubuntu | wv | 26.04 | 1.2.9-8build1 | vulnerable |
| Ubuntu | wv | 26.04 | 1.2.9-8build2 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | wv | source | sid | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | wv | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | wv | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [libwv-1.2-4]Affected
Source package: [wv]
Details (2)
1.2.9-5· amd64 · bookwormAffected
nvd · wv · debian · bookworm; nvd · wv · debian · 12
1.2.9-5· arm64 · bookwormAffected
nvd · wv · debian · bookworm; nvd · wv · debian · 12
- [libwv-dev]Affected
Source package: [wv]
Details (2)
1.2.9-5· amd64 · bookwormAffected
nvd · wv · debian · bookworm; nvd · wv · debian · 12
1.2.9-5· arm64 · bookwormAffected
nvd · wv · debian · bookworm; nvd · wv · debian · 12
- [wv]Affected
Details (2)
1.2.9-5· amd64 · bookwormAffected
nvd · wv · debian · bookworm; nvd · wv · debian · 12
1.2.9-5· arm64 · bookwormAffected
nvd · wv · debian · bookworm; nvd · wv · debian · 12
[Debian 13 (Trixie)]
- [libwv-1.2-4t64]Affected
Source package: [wv]
Details (2)
1.2.9-8+b1· amd64 · trixieAffected
nvd · wv · debian · 13
1.2.9-8+b1· arm64 · trixieAffected
nvd · wv · debian · 13
- [libwv-dev]Affected
Source package: [wv]
Details (2)
1.2.9-8+b1· amd64 · trixieAffected
nvd · wv · debian · 13
1.2.9-8+b1· arm64 · trixieAffected
nvd · wv · debian · 13
- [wv]Affected
Source package: [wv]
Details (2)
1.2.9-8+b1· amd64 · trixieAffected
nvd · wv · debian · 13
1.2.9-8+b1· arm64 · trixieAffected
nvd · wv · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-112056]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-112056]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-112056]
- [https://security-tracker.debian.org/tracker/CVE-2026-112056]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-112056.json]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]