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Alerts This Week
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Fedora 42: CUPS Critical Local DoS Issue FEDORA-2025-c09b980696

fedora
Calendar Grey December 18, 2025
Dist Fedora Esm H88
CUPS Fedora 42 update fixes local DoS issues and related crashes. Stay secure with this essential fix.
fix possible issue reported by OSH 2.4.16 (fedora#2417970) rebuild due binutils bug (fedora#2418285) fix division by zero crash in pstops (fedora#2415396)

Summary

CUPS printing system provides a portable printing layer for

UNIX operating systems. It has been developed by Apple Inc.

to promote a standard printing solution for all UNIX vendors and users.

CUPS provides the System V and Berkeley command-line interfaces.

Update Information:

fix possible issue reported by OSH 2.4.16 (fedora#2417970) rebuild due binutils bug (fedora#2418285) fix division by zero crash in pstops (fedora#2415396)

Topics%20covered

Topics Covered

security advisory fedora critical local issue DoS cups

Change Log

* Fri Dec 12 2025 Zdenek Dohnal - 1:2.4.16-4 - fix possible issue reported by OSH * Fri Dec 5 2025 Zdenek Dohnal - 1:2.4.16-3 - rebuilt without reverted commit (upgrade script for PeerCred is not needed) * Thu Dec 4 2025 Zdenek Dohnal - 1:2.4.16-1 - 2.4.16 (fedora#2417970) - rebuild due binutils bug (fedora#2418285) - fix division by zero crash in pstops (fedora#2415396) * Fri Nov 28 2025 Zdenek Dohnal - 1:2.4.15-1 - 2.4.15 - fixes for CVE-2025-61915 and CVE-2025-58436 * Fri Nov 28 2025 Than Ngo - 1:2.4.14-4 - Rebuilt with new binutils in rawhide due to rhbz#2415824

References


[ 1 ] Bug #2420911 - CVE-2025-61915 cups: Local denial-of-service via cupsd.conf update and related issues [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2420911 [ 2 ] Bug #2420913 - CVE-2025-58436 cups: Slow client communication leads to a possible DoS attack [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2420913

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-c09b980696' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
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Name: cups
Product: Fedora 42
Version: 2.4.16
Release: 4.fc42
URL: https://openprinting.github.io/cups/
Summary: CUPS printing system

Topics%20covered

Topics Covered

security advisory fedora critical local issue DoS cups

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