What is CVE-2026-8631?

CVE-2026-8631 is a critical-severity vulnerability in Hp Linux_imaging_and_printing, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-05-20.

How severe is CVE-2026-8631?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Hp Linux_imaging_and_printing

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 pro…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Hp Linux_imaging_and_printing
Hp Inc Linux Imaging And Printing Software — versions 0

Weakness classification (CWE)

References

hp-security-alert@hp.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-8631?: CVE-2026-8631 is a critical-severity vulnerability in Hp Linux_imaging_and_printing, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-05-20.
How severe is CVE-2026-8631?: Critical severity. CVSS v3 base score is 9.8 out of 10.