CVE-2026-112055

wvWare wv through 1.2.9 Stack Out-of-Bounds Read via wvGetPAPX_FKP and wvGetCHPX_FKP

6.8 Medium

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.

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

0.18%Up 0.1 points since Oct 19, 2026

What each source reports

CVE List Score used 6.8

wvWare wv through 1.2.9 Stack Out-of-Bounds Read via wvGetPAPX_FKP and wvGetCHPX_FKP

Record: CVE-2026-112055
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-2026-103517 6.8

Record: EUVD-2026-103517
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-jf7v-2r7w-h9p9 6.8

wvWare wv through 1.2.9 contains a stack-based out-of-bounds read vulnerability in wvGetPAPX_FKP...

Record: GHSA-jf7v-2r7w-h9p9
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-2026-112055
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 Stack Out-of-Bounds Read via wvGetPAPX_FKP and wvGetCHPX_FKP

Record: CVE-2026-112055
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-2026-112055 6.8

Record: DEBIAN-CVE-2026-112055
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-2026-112055 6.8

Record: UBUNTU-CVE-2026-112055
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-2026-112055 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 0.18%, the 7th percentile. No source names a fixed version.

References

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