CVE-2026-39316: CUPS has a use-after-free in `cupsdDeleteTemporaryPrinters` via dangling subscription pointer

Overview

Severity
Medium (CVSS 4)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Apr
Released
2026-04-09
Last Updated
2026-04-18
EPSS Score
0.02% (percentile: 6.4%)

Affected Products (2)

Open Source Software

  • azl3 cups 2.4.16-1 on Azure Linux 3.0
  • cbl2 cups 2.3.3op2-11 on CBL Mariner 2.0

Revision History

  • 2026-04-09: Information published.
  • 2026-04-11: Information published.
  • 2026-04-18: Information published.