SUSE-SU-2026:23039-1: moderate: Security update for avahi

[SLE-SECURITY-UPDATES]

# Security update for avahi

Announcement ID: SUSE-SU-2026:23039-1  
Release Date: 2026-07-29T09:56:51Z  
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:

  * SUSE Linux Micro 6.0

  
  
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 Linux Micro 6.0  
    zypper in -t patch SUSE-SLE-Micro-6.0-820=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * libavahi-client3-0.8-10.1
    * libavahi-core7-0.8-10.1
    * avahi-debugsource-0.8-10.1
    * libavahi-common3-debuginfo-0.8-10.1
    * libavahi-client3-debuginfo-0.8-10.1
    * avahi-0.8-10.1
    * libavahi-core7-debuginfo-0.8-10.1
    * libavahi-common3-0.8-10.1
    * avahi-debuginfo-0.8-10.1

## References:

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

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