RHSA-2026:39302: Moderate: cups security update
Moderate: cups security update
Other sources
The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems.Security Fix(es): cups: OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach lp code execution over the network (CVE-2026-34980) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
cupsto a version that resolves this vulnerability.Fixed in security update
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:39302?
The severity of RHSA-2026:39302 is medium with a score of 4.
What causes the vulnerability in RHSA-2026:39302?
The vulnerability in RHSA-2026:39302 is caused by the OpenPrinting CUPS allowing anonymous Print-Job requests to lead to code execution over the network.
How do I fix RHSA-2026:39302?
To fix RHSA-2026:39302, apply the latest security update for the Common UNIX Printing System (CUPS) as recommended by Red Hat.
What systems are affected by RHSA-2026:39302?
RHSA-2026:39302 affects various versions of Red Hat Enterprise Linux across different architectures including x86_64, Power, ARM 64, and IBM z Systems.
What is the security fix for RHSA-2026:39302?
The security fix for RHSA-2026:39302 addresses the vulnerability in the CUPS that permits unauthorized Print-Job requests leading to potential code execution.