openSUSE 2026 avahi Moderate Denial of Service CVE-2026-34933
opensuse
June 8, 2026
An update that solves one vulnerability can now be installed.
Description
This update for avahi fixes the following issue:
* CVE-2026-34933: Prior to version 0.9-rc4, any unprivileged local user can
crash avahi-daemon by sending a single D-Bus method call with conflicting
publish flags (bsc#1261546).
Topics Covered
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-2026-2297=1
* Basesystem Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2297=1
* Desktop Applications Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-2297=1
* SUSE Package Hub 15 15-SP7
zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-2297=1
Package List
* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
* libavahi-gobject-devel-0.8-150600.15.18.1
* libavahi-glib1-debuginfo-0.8-150600.15.18.1
* libhowl0-0.8-150600.15.18.1
* avahi-utils-0.8-150600.15.18.1
* libavahi-devel-0.8-150600.15.18.1
* avahi-utils-gtk-debuginfo-0.8-150600.15.18.1
* python3-avahi-0.8-150600.15.18.1
* libavahi-ui-gtk3-0-0.8-150600.15.18.1
* libavahi-client3-debuginfo-0.8-150600.15.18.1
* libavahi-libevent1-0.8-150600.15.18.1
* libavahi-gobject0-0.8-150600.15.18.1
* avahi-compat-howl-devel-0.8-150600.15.18.1
* avahi-glib2-debugsource-0.8-150600.15.18.1
* avahi-utils-gtk-0.8-150600.15.18.1
* libavahi-libevent1-debuginfo-0.8-150600.15.18.1
* libavahi-qt5-devel-0.8-150600.15.18.1
* libavahi-ui-gtk3-0-debuginfo-0.8-150600.15.18.1
* avahi-utils-debuginfo-0.8-150600.15.18.1
* avahi-debuginfo-0.8-150600.15.18.1
* typelib-1_0-Avahi-0_6-0.8-150600.15.18.1
* libavahi-core7-0.8-150600.15.18.1
* libavahi-common3-0.8-150600.15.18.1
* python3-avahi-gtk-0.8-150600.15.18.1
*...
Read the Full AdvisoryReferences
* bsc#1261546
## References:
* https://www.suse.com/security/cve/CVE-2026-34933.html
* https://bugzilla.suse.com/show_bug.cgi?id=1261546
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Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: SUSE-SU-2026:2297-1
Release Date: 2026-06-08T10:17:03Z
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 Covered
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