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OpenAdvisories
Medium ALSA-2023:7165 2 CVEs

Moderate: cups security and bug fix update

Published Nov 14, 2023 · Updated Oct 29, 2026

Summary

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

Security Fix(es):

* cups: heap buffer overflow may lead to DoS (CVE-2023-32324)
* cups: use-after-free in cupsdAcceptClient() in scheduler/client.c (CVE-2023-34241)

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.

Additional Changes:

For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.

Fixed packages 7

ReleasePackageFixed in
AlmaLinux · 8 cups 1:2.2.6-54.el8_9
AlmaLinux · 8 cups-client 1:2.2.6-54.el8_9
AlmaLinux · 8 cups-devel 1:2.2.6-54.el8_9
AlmaLinux · 8 cups-filesystem 1:2.2.6-54.el8_9
AlmaLinux · 8 cups-ipptool 1:2.2.6-54.el8_9
AlmaLinux · 8 cups-libs 1:2.2.6-54.el8_9
AlmaLinux · 8 cups-lpd 1:2.2.6-54.el8_9

Vulnerabilities 2

  • High 7.5

    OpenPrinting CUPS vulnerable to heap buffer overflow

    OpenPrinting CUPS is an open source printing system. In versions 2.4.2 and prior, a heap buffer overflow vulnerability would allow a remote attacker to launch a denial of service (DoS) attack. A buffer overflow vulnerability in the function `format_log_line` …

  • Medium 5.3

    CUPS vulnerable to use-after-free in cupsdAcceptClient()

    OpenPrinting CUPS is a standards-based, open source printing system for Linux and other Unix-like operating systems. Starting in version 2.0.0 and prior to version 2.4.6, CUPS logs data of free memory to the logging service AFTER the connection has been close…

References

  • report
    https://access.redhat.com/security/cve/CVE-2023-32324
  • report
    https://access.redhat.com/security/cve/CVE-2023-34241
  • report
    https://bugzilla.redhat.com/2209603
  • report
    https://bugzilla.redhat.com/2214914
  • advisory
    https://errata.almalinux.org/8/ALSA-2023-7165.html