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SUSE Avahi Moderate Local DoS Vulnerability 2026-22853-1

suse
Calendar Grey July 27, 2026
Scroller Suse
SUSE security update for avahi addresses CVE-2025-59529 with moderate severity to prevent local DoS issues.
A security update for avahi addresses a local DoS vulnerability and introduces two features for affected SUSE Linux Enterprise Server products, with installation instructions provi...

Summary

## This update for avahi fixes the following issues: * CVE-2025-59529: local DoS due to simple protocol server ignoring client limit CLIENTS_MAX (bsc#1255451). Changes for avahi: * Make /var/lib/avahi-autoipd a ghost dir instead of packaging it since avahi- autoipd creates it on start (jsc#PED-14836). * Use libalternative instead of update-alternatives in TW and SLFO (jsc#PED-14835). ## 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 Enterprise Server for SAP applications 16.0 zypper in -t patch SUSE-SLES-16.0-1328=1 * SUSE Linux Enterprise Server 16.0 zypper in -t patch SUSE-SLES-16.0-1328=1 ## Package List:

Topics%20covered

Topics Covered

security advisory moderate SuSE local DoS avahi CVE-2025-59529

References

* bsc#1255451

* jsc#PED-14835

* jsc#PED-14836

Cross-

* 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 Enterprise Server 16.0

* SUSE Linux Enterprise Server for SAP applications 16.0

An update that solves one vulnerability and contains two features can now be

installed.

##

* https://www.suse.com/security/cve/CVE-2025-59529.html

* https://bugzilla.suse.com/show_bug.cgi?id=1255451

* https://jira.suse.com/browse/PED-14835

* https://jira.suse.com/browse/PED-14836

Severity
moderate
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:22853-1
Release Date: 2026-07-22T12:41:51Z
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate SuSE local DoS avahi CVE-2025-59529

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