CVE-2026-34979

Published: Apr 3, 2026Modified: Jul 24, 2026

5.3

Vector

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

Exploitability: 3.9 / Impact: 1.4

Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Products: Openprinting: Cups

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Openprinting Cups	Up to 2.4.16

Related CWEs

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (2)

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

Source: security-advisories@github.com

ExploitVendor Advisory

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

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

ExploitVendor Advisory

Timeline

No history available yet.