CRITICAL9.3
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.
CVSS 3.xCRITICAL 9.8
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVSS 4.0CRITICAL 9.3
CVSS:4.0/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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XReferences
- https://support.hp.com/us-en/document/ish_14942099-14942126-16/hpsbpi04118
- https://access.redhat.com/errata/RHSA-2026:26228
- https://access.redhat.com/errata/RHSA-2026:26297
- https://access.redhat.com/errata/RHSA-2026:26335
- https://access.redhat.com/security/cve/CVE-2026-8631
- https://bugzilla.redhat.com/show_bug.cgi?id=2480300
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8631.json