OpenPrinting CUPS: Heap overflow in `get_options()`_CVE-2026-34979

5.3 / 10

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Description

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.

Basic Information

ID CVE-2026-34979

Source GitHub_M

Published Apr 3, 2026 at 21:16

Modified Apr 7, 2026 at 14:19

Affected Product

Vendor OpenPrinting

Product cups

Version <= 2.4.16

Affected Versions OpenPrinting cups <= 2.4.16

CWE Classification

CWE-122

References

github.com /OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fh

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    "published": "2026-04-03T21:16:38.594Z",
    "modified": "2026-04-07T14:19:07.586Z",
    "type": "cve",
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