CVE-2026-34979

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.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fh	Exploit Vendor Advisory
https://github.com/OpenPrinting/cups/security/advisories/GHSA-6qxf-7jx6-86fh	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openprinting:cups:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-04-03 22:16

Updated : 2026-07-24 21:10

NVD link : CVE-2026-34979

Mitre link : CVE-2026-34979

CVE.ORG link : CVE-2026-34979

JSON object : View

Products Affected

openprinting

cups

CWE

CWE-122

Heap-based Buffer Overflow

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