CVE-2026-8631

critical

Published 2026-05-20 · Modified 2026-05-21

CVSS v3

9.8

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

CVSS v2

—

VIR risk

9.8

Description

A potential security vulnerability has been identified in the HP Linux Imaging and Printing Software. This potential vulnerability may allow escalation of privileges and/or arbitrary code execution via an integer overflow in the hpcups processing path when handling crafted print data.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2026-8631.html

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2026-8631

vendor Authored 2026-05-27

Vendor advisory: hp-security-alert@hp.com — https://support.hp.com/us-en/document/ish_14942099-14942126-16/hpsbpi04118

OS impact

OS	Version	Status	Fixed in
debian	bookworm	affected
debian	bullseye	affected
debian	sid	fixed	`3.26.4+dfsg0-1`
debian	trixie	affected
sles		affected

Application impact

Vendor	Product	Versions	Fixed
hp	linux_imaging_and_printing	`{"endExcluding":"3.26.4"}`	`3.26.4`

References

CWEs

CWE-122 CWE-190

Verify integrity in audit chain (admin only). AS-IS.