CVE-2026-8631

CRITICAL

HP Linux Imaging and Printing Software – Potential Escalation of Privilege and Arbitrary Code Execution

Title source: cna

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.

References (7)

Core 7

Core References

Vendor Advisory

https://access.redhat.com/errata/RHSA-2026:26228

Vendor Advisory

https://access.redhat.com/errata/RHSA-2026:26297

Vendor Advisory

https://access.redhat.com/errata/RHSA-2026:26335

Vendor Advisory

https://access.redhat.com/security/cve/CVE-2026-8631

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2480300

Vendor Advisory

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8631.json

https://support.hp.com/us-en/document/ish_14942099-14942126-16/hpsbpi04118

Scores

CVSS v3 9.8

EPSS 0.0133

EPSS Percentile 67.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact total

Details

CWE

CWE-122 CWE-190

Status published

Products (2)

hp/linux_imaging_and_printing < 3.26.4

HP Inc/HP Linux Imaging and Printing Software < 3.26.4

Published May 20, 2026

Tracked Since May 21, 2026