Medium6.4Red Hat Linux

Medium [CVE-2026-34980] Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network

This medium-severity Red Hat Linux advisory covers CVE-2026-34980 affecting cups-main, Red Hat Enterprise Linux.

CVE-2026-34980 Published Apr 3, 2026

CVE-2026-34980

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network. Red Hat rates this moderate (CVSS 6.4).

Weakness: CWE-78. Affected package(s): cups-main.

Resolved in Red Hat advisory RHSA-2026:8814 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux.

Affected versions

cups-main-2.4.17-1.hum1

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:8814

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:8814 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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