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
- Openprinting Cups — versions <= 2.4.16
Weakness classification (CWE)
References
- https://github.com/OpenPrinting/cups/security/advisories/GHSA-pjv5-prqp-46rg (x_refsource_CONFIRM)
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.