CVE-2026-8631

critical

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

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

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

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

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

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

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

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

Details

Source: Mitre, NVD

Published: 2026-05-20

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical

EPSS

EPSS: 0.00022