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Medium RLSA-2026:0596 2 CVEs

Moderate: cups security update

Published Jan 15, 2026 · Updated Jan 15, 2026

Summary

The Common UNIX Printing System (CUPS) provides a portable printing layer for Linux, UNIX, and similar operating systems.

Security Fix(es):

* CUPS: Local denial-of-service via cupsd.conf update and related issues (CVE-2025-61915)

* cups: Slow client communication leads to a possible DoS attack (CVE-2025-58436)

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.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 8 cups 1:2.2.6-66.el8_10

Vulnerabilities 2

  • Medium 6.0

    OpenPrinting CUPS vulnerable to stack based out-of-bound write

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a user in the lpadmin group can use the cups web ui to change the config and insert a malicious line. Then the cupsd process which ru…

  • Medium 5.1

    OpenPrinting CUPS slow client can halt cupsd, leading to a possible DoS attack

    OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a client that connects to cupsd but sends slow messages, e.g. only one byte per second, delays cupsd as a whole, such that it becomes…

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2416039
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2416040