SUSE-SU-2026:3218-1: moderate: Security update for avahi

SLE-UPDATES null at suse.de
Fri Jul 24 08:33:25 UTC 2026 

# Security update for avahi

Announcement ID: SUSE-SU-2026:3218-1  
Release Date: 2026-07-23T17:34:30Z  
Rating: moderate  
References:

  * bsc#1255451

  
Cross-References:

  * CVE-2025-59529

  
CVSS scores:

  * CVE-2025-59529 ( SUSE ):  6.8
    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  * CVE-2025-59529 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2025-59529 ( NVD ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * Basesystem Module 15-SP7
  * Desktop Applications Module 15-SP7
  * openSUSE Leap 15.6
  * SUSE Linux Enterprise Desktop 15 SP7
  * SUSE Linux Enterprise Real Time 15 SP7
  * SUSE Linux Enterprise Server 15 SP7
  * SUSE Linux Enterprise Server for SAP Applications 15 SP7
  * SUSE Package Hub 15 15-SP7

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for avahi fixes the following issue:

  * CVE-2025-59529: local DoS due to simple protocol server ignoring client
    limit CLIENTS_MAX (bsc#1255451).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Package Hub 15 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-3218=1

  * Desktop Applications Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-3218=1

  * Basesystem Module 15-SP7  
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3218=1

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-3218=1

## Package List:

  * Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * libavahi-gobject0-debuginfo-0.8-150600.15.21.1
    * avahi-debugsource-0.8-150600.15.21.1
    * avahi-compat-mDNSResponder-devel-0.8-150600.15.21.1
    * libavahi-ui-gtk3-0-0.8-150600.15.21.1
    * libavahi-ui-gtk3-0-debuginfo-0.8-150600.15.21.1
    * avahi-utils-debuginfo-0.8-150600.15.21.1
    * avahi-debuginfo-0.8-150600.15.21.1
    * libdns_sd-debuginfo-0.8-150600.15.21.1
    * libhowl0-debuginfo-0.8-150600.15.21.1
    * typelib-1_0-Avahi-0_6-0.8-150600.15.21.1
    * libavahi-client3-0.8-150600.15.21.1
    * avahi-utils-0.8-150600.15.21.1
    * libavahi-glib1-debuginfo-0.8-150600.15.21.1
    * avahi-0.8-150600.15.21.1
    * avahi-compat-howl-devel-0.8-150600.15.21.1
    * libavahi-glib-devel-0.8-150600.15.21.1
    * libhowl0-0.8-150600.15.21.1
    * libdns_sd-0.8-150600.15.21.1
    * libavahi-glib1-0.8-150600.15.21.1
    * avahi-glib2-debugsource-0.8-150600.15.21.1
    * libavahi-core7-0.8-150600.15.21.1
    * libavahi-common3-debuginfo-0.8-150600.15.21.1
    * libavahi-gobject0-0.8-150600.15.21.1
    * libavahi-core7-debuginfo-0.8-150600.15.21.1
    * libavahi-libevent1-0.8-150600.15.21.1
    * libavahi-common3-0.8-150600.15.21.1
    * libavahi-devel-0.8-150600.15.21.1
    * libavahi-client3-debuginfo-0.8-150600.15.21.1
    * libavahi-libevent1-debuginfo-0.8-150600.15.21.1
  * Basesystem Module 15-SP7 (x86_64)
    * libavahi-client3-32bit-0.8-150600.15.21.1
    * libavahi-client3-32bit-debuginfo-0.8-150600.15.21.1
    * avahi-32bit-debuginfo-0.8-150600.15.21.1
    * libavahi-common3-32bit-0.8-150600.15.21.1
    * libavahi-common3-32bit-debuginfo-0.8-150600.15.21.1
  * Basesystem Module 15-SP7 (noarch)
    * avahi-lang-0.8-150600.15.21.1
  * openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
    * python3-avahi-0.8-150600.15.21.1
    * libavahi-gobject0-debuginfo-0.8-150600.15.21.1
    * libavahi-qt5-1-debuginfo-0.8-150600.15.21.1
    * avahi-debugsource-0.8-150600.15.21.1
    * avahi-compat-mDNSResponder-devel-0.8-150600.15.21.1
    * libavahi-ui-gtk3-0-0.8-150600.15.21.1
    * avahi-utils-gtk-0.8-150600.15.21.1
    * python3-avahi-gtk-0.8-150600.15.21.1
    * libavahi-ui-gtk3-0-debuginfo-0.8-150600.15.21.1
    * avahi-utils-debuginfo-0.8-150600.15.21.1
    * avahi-qt5-debugsource-0.8-150600.15.21.1
    * avahi-debuginfo-0.8-150600.15.21.1
    * libhowl0-debuginfo-0.8-150600.15.21.1
    * libdns_sd-debuginfo-0.8-150600.15.21.1
    * libavahi-qt5-1-0.8-150600.15.21.1
    * libavahi-qt5-devel-0.8-150600.15.21.1
    * typelib-1_0-Avahi-0_6-0.8-150600.15.21.1
    * libavahi-client3-0.8-150600.15.21.1
    * avahi-utils-0.8-150600.15.21.1
    * libavahi-glib1-debuginfo-0.8-150600.15.21.1
    * libavahi-gobject-devel-0.8-150600.15.21.1
    * avahi-0.8-150600.15.21.1
    * avahi-compat-howl-devel-0.8-150600.15.21.1
    * libavahi-glib-devel-0.8-150600.15.21.1
    * avahi-autoipd-debuginfo-0.8-150600.15.21.1
    * libhowl0-0.8-150600.15.21.1
    * libdns_sd-0.8-150600.15.21.1
    * libavahi-glib1-0.8-150600.15.21.1
    * avahi-autoipd-0.8-150600.15.21.1
    * avahi-glib2-debugsource-0.8-150600.15.21.1
    * libavahi-core7-0.8-150600.15.21.1
    * libavahi-common3-debuginfo-0.8-150600.15.21.1
    * libavahi-gobject0-0.8-150600.15.21.1
    * libavahi-core7-debuginfo-0.8-150600.15.21.1
    * libavahi-libevent1-0.8-150600.15.21.1
    * libavahi-common3-0.8-150600.15.21.1
    * libavahi-devel-0.8-150600.15.21.1
    * libavahi-client3-debuginfo-0.8-150600.15.21.1
    * libavahi-libevent1-debuginfo-0.8-150600.15.21.1
    * avahi-utils-gtk-debuginfo-0.8-150600.15.21.1
  * openSUSE Leap 15.6 (x86_64)
    * libavahi-client3-32bit-0.8-150600.15.21.1
    * libavahi-glib1-32bit-debuginfo-0.8-150600.15.21.1
    * libavahi-common3-32bit-debuginfo-0.8-150600.15.21.1
    * libavahi-client3-32bit-debuginfo-0.8-150600.15.21.1
    * avahi-32bit-debuginfo-0.8-150600.15.21.1
    * libavahi-common3-32bit-0.8-150600.15.21.1
    * libdns_sd-32bit-0.8-150600.15.21.1
    * libdns_sd-32bit-debuginfo-0.8-150600.15.21.1
    * libavahi-glib1-32bit-0.8-150600.15.21.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * libdns_sd-64bit-0.8-150600.15.21.1
    * libavahi-glib1-64bit-0.8-150600.15.21.1
    * libdns_sd-64bit-debuginfo-0.8-150600.15.21.1
    * libavahi-client3-64bit-0.8-150600.15.21.1
    * avahi-64bit-debuginfo-0.8-150600.15.21.1
    * libavahi-client3-64bit-debuginfo-0.8-150600.15.21.1
    * libavahi-glib1-64bit-debuginfo-0.8-150600.15.21.1
    * libavahi-common3-64bit-0.8-150600.15.21.1
    * libavahi-common3-64bit-debuginfo-0.8-150600.15.21.1
  * openSUSE Leap 15.6 (noarch)
    * avahi-lang-0.8-150600.15.21.1
  * Desktop Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    * avahi-autoipd-debuginfo-0.8-150600.15.21.1
    * avahi-debugsource-0.8-150600.15.21.1
    * avahi-utils-gtk-0.8-150600.15.21.1
    * avahi-autoipd-0.8-150600.15.21.1
    * avahi-debuginfo-0.8-150600.15.21.1
    * avahi-glib2-debugsource-0.8-150600.15.21.1
    * libavahi-gobject-devel-0.8-150600.15.21.1
    * avahi-utils-gtk-debuginfo-0.8-150600.15.21.1
  * SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    * python3-avahi-0.8-150600.15.21.1
    * avahi-debugsource-0.8-150600.15.21.1
    * avahi-debuginfo-0.8-150600.15.21.1

## References:

  * https://www.suse.com/security/cve/CVE-2025-59529.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1255451

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