SUSE-SU-2025:20032-1: moderate: Security update for avahi

[SLE-SECURITY-UPDATES]

# Security update for avahi

Announcement ID: SUSE-SU-2025:20032-1  
Release Date: 2025-02-03T08:52:10Z  
Rating: moderate  
References:

  * bsc#1216594
  * bsc#1216598
  * bsc#1226586

  
Cross-References:

  * CVE-2023-38469
  * CVE-2023-38471

  
CVSS scores:

  * CVE-2023-38469 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-38469 ( NVD ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-38471 ( SUSE ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-38471 ( NVD ):  6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Micro 6.0

  
  
An update that solves two vulnerabilities and has one fix can now be installed.

## Description:

This update for avahi fixes the following issues:

Security issues fixed:

  * CVE-2023-38471: Extract host name using avahi_unescape_label (bsc#1216594).
  * CVE-2023-38469: Reject overly long TXT resource records (bsc#1216598).

Non-security issue fixed:

  * no longer supply bogus services to callbacks (bsc#1226586).

## 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-6.0-35=1

## Package List:

  * SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
    * avahi-debuginfo-0.8-5.1
    * avahi-debugsource-0.8-5.1
    * avahi-0.8-5.1
    * libavahi-core7-debuginfo-0.8-5.1
    * libavahi-common3-0.8-5.1
    * libavahi-core7-0.8-5.1
    * libavahi-client3-debuginfo-0.8-5.1
    * libavahi-common3-debuginfo-0.8-5.1
    * libavahi-client3-0.8-5.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-38469.html
  * https://www.suse.com/security/cve/CVE-2023-38471.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1216594
  * https://bugzilla.suse.com/show_bug.cgi?id=1216598
  * https://bugzilla.suse.com/show_bug.cgi?id=1226586

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