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openSUSE Leap 15.6 avahi Moderate DoS Issue SUSE-SU-2026-1441-1

opensuse
Calendar Grey April 17, 2026
Dist Opensuse Esm H88
OpenSUSE releases a moderate security advisory for avahi addressing potential denial of service from mDNS responses.
An update that solves one vulnerability can now be installed.

Description

This update for avahi fixes the following issue:

* CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by

sending an unsolicited mDNS response containing a recursive CNAME record

(bsc#1257235).

Topics%20covered

Topics Covered

security advisory moderate denial of service system crash avahi OpenSUSE

Patch

## 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:

* openSUSE Leap 15.6

zypper in -t patch SUSE-2026-1441=1 openSUSE-SLE-15.6-2026-1441=1

* Basesystem Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-1441=1

* Desktop Applications Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-1441=1

* SUSE Package Hub 15 15-SP7

zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-1441=1

Package List

* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)

* libavahi-glib-devel-0.8-150600.15.15.1

* avahi-qt5-debugsource-0.8-150600.15.15.1

* libavahi-common3-debuginfo-0.8-150600.15.15.1

* libavahi-glib1-debuginfo-0.8-150600.15.15.1

* python3-avahi-gtk-0.8-150600.15.15.1

* avahi-0.8-150600.15.15.1

* libdns_sd-0.8-150600.15.15.1

* avahi-utils-debuginfo-0.8-150600.15.15.1

* libavahi-qt5-1-0.8-150600.15.15.1

* libavahi-libevent1-debuginfo-0.8-150600.15.15.1

* avahi-utils-gtk-0.8-150600.15.15.1

* avahi-debugsource-0.8-150600.15.15.1

* libavahi-gobject0-0.8-150600.15.15.1

* avahi-compat-howl-devel-0.8-150600.15.15.1

* libhowl0-0.8-150600.15.15.1

* avahi-autoipd-0.8-150600.15.15.1

* python3-avahi-0.8-150600.15.15.1

* libavahi-libevent1-0.8-150600.15.15.1

* libavahi-qt5-1-debuginfo-0.8-150600.15.15.1

* libavahi-qt5-devel-0.8-150600.15.15.1

* libavahi-ui-gtk3-0-0.8-150600.15.15.1

* libavahi-common3-0.8-150600.15.15.1

* typelib-1_0-Avahi-0_6-0.8-150600.15.15.1

* libavahi-client3-0.8-150600.15.15.1

*...

Read the Full Advisory

References

* bsc#1257235

## References:

* https://www.suse.com/security/cve/CVE-2026-24401.html

* https://bugzilla.suse.com/show_bug.cgi?id=1257235

Announcement ID: SUSE-SU-2026:1441-1
Release Date: 2026-04-17T14:18:38Z
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

Topics%20covered

Topics Covered

security advisory moderate denial of service system crash avahi OpenSUSE

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