CVE-2026-8631: HP Linux Imaging And Printing

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

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.

Affected products

• HP Linux Imaging And Printing: before 3.26.4 (fixed in 3.26.4)

Published 2026-05-20. Last modified 2026-08-04.