CVE-2026-112056

wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH

6.8 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Passive

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

0.12%Unchanged since Oct 19, 2026

What each source reports

CVE List Score used 6.8

wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH

Record: CVE-2026-112056
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

EUVDEUVD-2026-103518 6.8

Record: EUVD-2026-103518
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-jhv8-9974-jvpp 6.8

wvWare wv through 1.2.9 contains a heap-based out-of-bounds read vulnerability in wvGetSTSH in...

Record: GHSA-jhv8-9974-jvpp
CVSS 4.0: 6.8 MediumCVSS: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
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

NVD 6.8

Record: CVE-2026-112056
CVSS 4.0: 6.8 MediumCVSS: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
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-125
Updated: 2026-11-02

OSV 6.8

wvWare wv through 1.2.9 Heap Out-of-Bounds Read via wvGetSTSH

Record: CVE-2026-112056
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Weakness: CWE-125
Updated: 2026-11-02

OSVDEBIAN-CVE-2026-112056 6.8

Record: DEBIAN-CVE-2026-112056
CVSS 4.0: 6.8 MediumCVSS: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
Updated: 2026-11-02

OSVUBUNTU-CVE-2026-112056 6.8

Record: UBUNTU-CVE-2026-112056
CVSS 4.0: 6.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

wvware wv

Affected packages

Affected packages
Package	Affected	Fixed
`wv` Debian:12	All versions, plus listed versions 1.2.9-51.2.9-61.2.9-6.11.2.9-6.1~exp11.2.9-71.2.9-81.2.9-9	None known
`wv` Debian:13	All versions, plus listed versions 1.2.9-81.2.9-9	None known
`wv` Ubuntu:14.04:LTS	All versions, plus listed versions 1.2.9-3	None known
`wv` Ubuntu:16.04:LTS	All versions, plus listed versions 1.2.9-4.11.2.9-4.2	None known
`wv` Ubuntu:18.04:LTS	All versions, plus listed versions 1.2.9-4.2build1	None known
`wv` Ubuntu:20.04:LTS	All versions, plus listed versions 1.2.9-4.2build1	None known
`wv` Ubuntu:22.04:LTS	All versions, plus listed versions 1.2.9-4.2build1	None known
`wv` Ubuntu:24.04:LTS	All versions, plus listed versions 1.2.9-51.2.9-61.2.9-7build11.2.9-8	None known
`wv` Ubuntu:26.10	All versions, plus listed versions 1.2.9-8build21.2.9-9	None known
`wv` Ubuntu:26.04:LTS	All versions, plus listed versions 1.2.9-8build11.2.9-8build2	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-112056 is a medium vulnerability (CVSS 6.8) in Wvware Wv, published October 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.12%, the 1st percentile. No source names a fixed version.

References

Show 4 moreShow less