CVE-2026-34979

OpenPrinting CUPS: Heap overflow in `get_options()`

CVE-2026-34979 is fixed in 26 products on 1 platform, first by DEBIAN-CVE-2026-34979, released April 3, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.3
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0041
35th percentile

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly available patches.

Where it's fixed

ProductFixed inFixReleased
Linux
cups · Debian 14 2.4.17-1 DEBIAN-CVE-2026-34979 Apr 3, 2026
cups · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups 2.4.12-0ubuntu3.9 Apr 24, 2026
cups · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups 2.4.16-1ubuntu1.2 Apr 24, 2026
cups · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups · sles 15.7 2.2.7-150000.3.93.1 SUSE-SU-2026:2732-1 Jul 2, 2026
cups-bsd · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups-bsd 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups-bsd · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups-bsd 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups-bsd · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups-bsd 2.4.12-0ubuntu3.9 Apr 24, 2026
cups-bsd · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups-bsd 2.4.16-1ubuntu1.2 Apr 24, 2026
cups-client · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups-client 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups-client · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups-client 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups-client · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups-client 2.4.12-0ubuntu3.9 Apr 24, 2026
cups-client · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups-client 2.4.16-1ubuntu1.2 Apr 24, 2026
cups-client · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-client-debuginfo · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-common · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups-common 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups-common · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups-common 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups-common · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups-common 2.4.12-0ubuntu3.9 Apr 24, 2026
cups-common · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups-common 2.4.16-1ubuntu1.2 Apr 24, 2026
cups-core-drivers · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups-core-drivers 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups-core-drivers · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups-core-drivers 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups-core-drivers · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups-core-drivers 2.4.12-0ubuntu3.9 Apr 24, 2026
cups-core-drivers · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups-core-drivers 2.4.16-1ubuntu1.2 Apr 24, 2026
cups-daemon · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups-daemon 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups-daemon · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups-daemon 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups-daemon · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups-daemon 2.4.12-0ubuntu3.9 Apr 24, 2026
cups-daemon · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups-daemon 2.4.16-1ubuntu1.2 Apr 24, 2026
cups-debuginfo · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-debugsource · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-devel · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-filesystem · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-ipp-utils · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups-ipp-utils 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups-ipp-utils · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups-ipp-utils 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups-ipp-utils · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups-ipp-utils 2.4.12-0ubuntu3.9 Apr 24, 2026
cups-ipp-utils · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups-ipp-utils 2.4.16-1ubuntu1.2 Apr 24, 2026
cups-ipptool · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-ipptool-debuginfo · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-libs · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-libs-debuginfo · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-lpd · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-lpd-debuginfo · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-ppdc · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups-ppdc 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups-ppdc · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups-ppdc 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups-ppdc · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups-ppdc 2.4.12-0ubuntu3.9 Apr 24, 2026
cups-ppdc · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups-ppdc 2.4.16-1ubuntu1.2 Apr 24, 2026
cups-printerapp · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-printerapp-debuginfo · amzn 2023 1:2.4.16-1.amzn2023.0.3 ALAS2023-2026-1635 Apr 27, 2026
cups-server-common · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 cups-server-common 2.4.1op1-1ubuntu4.20 Apr 24, 2026
cups-server-common · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 cups-server-common 2.4.7-1.2ubuntu7.13 Apr 24, 2026
cups-server-common · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 cups-server-common 2.4.12-0ubuntu3.9 Apr 24, 2026
cups-server-common · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 cups-server-common 2.4.16-1ubuntu1.2 Apr 24, 2026
libcups2 · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 libcups2 2.4.1op1-1ubuntu4.20 Apr 24, 2026
libcups2t64 · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 libcups2t64 2.4.7-1.2ubuntu7.13 Apr 24, 2026
libcups2t64 · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 libcups2t64 2.4.12-0ubuntu3.9 Apr 24, 2026
libcups2t64 · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 libcups2t64 2.4.16-1ubuntu1.2 Apr 24, 2026
libcupsimage2 · Ubuntu 22.04.1 LTS (jammy) 2.4.1op1-1ubuntu4.20 libcupsimage2 2.4.1op1-1ubuntu4.20 Apr 24, 2026
libcupsimage2t64 · Ubuntu 24.04.5 LTS (noble) 2.4.7-1.2ubuntu7.13 libcupsimage2t64 2.4.7-1.2ubuntu7.13 Apr 24, 2026
libcupsimage2t64 · Ubuntu 25.10 (questing) 2.4.12-0ubuntu3.9 libcupsimage2t64 2.4.12-0ubuntu3.9 Apr 24, 2026
libcupsimage2t64 · Ubuntu 26.04.1 LTS (resolute) 2.4.16-1ubuntu1.2 libcupsimage2t64 2.4.16-1ubuntu1.2 Apr 24, 2026

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