CVE-2026-8631

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - hp-security-alert@hp.com

Published

2026-05-20

Last modified

2026-08-04

Weaknesses

CWE-122, CWE-190

Affected products

• Linux Imaging And Printing (Hp)
• Hp Linux Imaging And Printing Software (Hp Inc)
• Enterprise Linux (Redhat)
• Enterprise Linux Eus (Redhat)
• Rhel Aus (Redhat)
• Rhel E4s (Redhat)
• Rhel Eus (Redhat)
• Rhel Eus Long Life (Redhat)
• Rhel Tus (Redhat)

References

• 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/errata/RHSA-2026:48171
• https://access.redhat.com/errata/RHSA-2026:48586
• https://access.redhat.com/errata/RHSA-2026:48603
• https://access.redhat.com/errata/RHSA-2026:48606
• https://access.redhat.com/errata/RHSA-2026:48959
• https://access.redhat.com/errata/RHSA-2026:48960
• https://access.redhat.com/errata/RHSA-2026:48961
• 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