Security update for avahi

Announcement ID: SUSE-SU-2026:2297-1
Release Date: 2026-06-08T10:17:03Z
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2026-34933 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2026-34933 ( 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.

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).

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
    • avahi-debugsource-0.8-150600.15.18.1
    • libhowl0-debuginfo-0.8-150600.15.18.1
    • libavahi-qt5-1-0.8-150600.15.18.1
    • libavahi-common3-debuginfo-0.8-150600.15.18.1
    • libavahi-gobject0-debuginfo-0.8-150600.15.18.1
    • libavahi-glib1-0.8-150600.15.18.1
    • avahi-compat-mDNSResponder-devel-0.8-150600.15.18.1
    • libavahi-core7-debuginfo-0.8-150600.15.18.1
    • avahi-qt5-debugsource-0.8-150600.15.18.1
    • libavahi-client3-0.8-150600.15.18.1
    • libavahi-glib-devel-0.8-150600.15.18.1
    • avahi-autoipd-0.8-150600.15.18.1
    • libdns_sd-debuginfo-0.8-150600.15.18.1
    • libavahi-qt5-1-debuginfo-0.8-150600.15.18.1
    • avahi-autoipd-debuginfo-0.8-150600.15.18.1
    • avahi-0.8-150600.15.18.1
    • libdns_sd-0.8-150600.15.18.1
  • openSUSE Leap 15.6 (x86_64)
    • libavahi-client3-32bit-debuginfo-0.8-150600.15.18.1
    • libavahi-glib1-32bit-0.8-150600.15.18.1
    • libavahi-glib1-32bit-debuginfo-0.8-150600.15.18.1
    • avahi-32bit-debuginfo-0.8-150600.15.18.1
    • libavahi-client3-32bit-0.8-150600.15.18.1
    • libavahi-common3-32bit-0.8-150600.15.18.1
    • libdns_sd-32bit-0.8-150600.15.18.1
    • libdns_sd-32bit-debuginfo-0.8-150600.15.18.1
    • libavahi-common3-32bit-debuginfo-0.8-150600.15.18.1
  • openSUSE Leap 15.6 (noarch)
    • avahi-lang-0.8-150600.15.18.1
  • openSUSE Leap 15.6 (aarch64_ilp32)
    • libavahi-client3-64bit-0.8-150600.15.18.1
    • libavahi-client3-64bit-debuginfo-0.8-150600.15.18.1
    • libavahi-glib1-64bit-debuginfo-0.8-150600.15.18.1
    • libdns_sd-64bit-debuginfo-0.8-150600.15.18.1
    • libdns_sd-64bit-0.8-150600.15.18.1
    • libavahi-common3-64bit-debuginfo-0.8-150600.15.18.1
    • avahi-64bit-debuginfo-0.8-150600.15.18.1
    • libavahi-common3-64bit-0.8-150600.15.18.1
    • libavahi-glib1-64bit-0.8-150600.15.18.1
  • Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • libavahi-glib1-debuginfo-0.8-150600.15.18.1
    • libhowl0-0.8-150600.15.18.1
    • libavahi-devel-0.8-150600.15.18.1
    • avahi-utils-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
    • libavahi-libevent1-debuginfo-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
    • avahi-debugsource-0.8-150600.15.18.1
    • libhowl0-debuginfo-0.8-150600.15.18.1
    • libavahi-common3-debuginfo-0.8-150600.15.18.1
    • libavahi-gobject0-debuginfo-0.8-150600.15.18.1
    • libavahi-glib1-0.8-150600.15.18.1
    • avahi-compat-mDNSResponder-devel-0.8-150600.15.18.1
    • libavahi-core7-debuginfo-0.8-150600.15.18.1
    • libavahi-client3-0.8-150600.15.18.1
    • libavahi-glib-devel-0.8-150600.15.18.1
    • libdns_sd-debuginfo-0.8-150600.15.18.1
    • avahi-0.8-150600.15.18.1
    • libdns_sd-0.8-150600.15.18.1
  • Basesystem Module 15-SP7 (noarch)
    • avahi-lang-0.8-150600.15.18.1
  • Basesystem Module 15-SP7 (x86_64)
    • libavahi-client3-32bit-debuginfo-0.8-150600.15.18.1
    • avahi-32bit-debuginfo-0.8-150600.15.18.1
    • libavahi-client3-32bit-0.8-150600.15.18.1
    • libavahi-common3-32bit-0.8-150600.15.18.1
    • libavahi-common3-32bit-debuginfo-0.8-150600.15.18.1
  • Desktop Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
    • libavahi-gobject-devel-0.8-150600.15.18.1
    • avahi-debugsource-0.8-150600.15.18.1
    • avahi-glib2-debugsource-0.8-150600.15.18.1
    • avahi-utils-gtk-0.8-150600.15.18.1
    • avahi-autoipd-0.8-150600.15.18.1
    • avahi-utils-gtk-debuginfo-0.8-150600.15.18.1
    • avahi-debuginfo-0.8-150600.15.18.1
    • avahi-autoipd-debuginfo-0.8-150600.15.18.1
  • SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
    • avahi-debugsource-0.8-150600.15.18.1
    • python3-avahi-0.8-150600.15.18.1
    • avahi-debuginfo-0.8-150600.15.18.1

References: