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SUSE Avahi Moderate Local DoS Security Update SUSE-SU-2026-3218-1

suse
Calendar Grey July 24, 2026
Scroller Suse
Fixing local DoS issue in avahi through a security update for SUSE, rated as moderate.
SUSE released a security update for avahi addressing CVE-2025-59529, which could lead to local denial of service, applicable to various versions of SUSE products.

Summary

## 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:

Topics%20covered

Topics Covered

security advisory moderate denial of service update SuSE avahi

References

* bsc#1255451

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:

* 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.

##

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

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

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

Topics%20covered

Topics Covered

security advisory moderate denial of service update SuSE avahi

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