CVE-2026-112055 PUBLISHED

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

Assigner: VulnCheck
Reserved: 18.10.2026 Published: 18.10.2026 Updated: 18.10.2026

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.

CVSS Vector: 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
CVSS Score: 6.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS Score: 5.5

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	None
Privileges Required	None	Integrity Impact	None
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	wvWare
Product	wv
Versions	Default: unaffected affected from 0 to 1.2.9 (incl.)

CVE-2026-112055 PUBLISHED

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

Metrics

Product Status

Credits

References

Problem Types