What is CVE-2026-39314?

CVE-2026-39314 is a medium-severity vulnerability in Openprinting Cups, classified under Integer Underflow. CVSS score: 4.0/10. Published 2026-04-07.

How severe is CVE-2026-39314?

Medium severity. CVSS v3 base score is 4.0 out of 10.

Integer overflow in Openprinting Cups

CVE-2026-39314

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, an integer underflow vulnerability in _ppdCreateFromIPP() (cups/ppd-cache.c) allows any unprivileged local u…

EPSS: 0.002 (5.0th 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)

CWE-191 — Integer Underflow

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-39314?: CVE-2026-39314 is a medium-severity vulnerability in Openprinting Cups, classified under Integer Underflow. CVSS score: 4.0/10. Published 2026-04-07.
How severe is CVE-2026-39314?: Medium severity. CVSS v3 base score is 4.0 out of 10.