Use After Free in Openprinting Cups

CVE-2026-39316

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, a use-after-free vulnerability exists in the CUPS scheduler (cupsd) when temporary printers are automaticall…

Vulnerability class: Use-After-Free

EPSS: 0.000 (6.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-39316?
CVE-2026-39316 is a medium-severity vulnerability in Openprinting Cups, classified under Use After Free. CVSS score: 4.0/10. Published 2026-04-07.
How severe is CVE-2026-39316?
Medium severity. CVSS v3 base score is 4.0 out of 10.