Security update for avahi

Announcement ID:	SUSE-SU-2026:0259-1
Release Date:	2026-01-22T16:11:01Z
Rating:	moderate
References:	bsc#1256498 bsc#1256499 bsc#1256500
Cross-References:	CVE-2025-68276 CVE-2025-68468 CVE-2025-68471
CVSS scores:	CVE-2025-68276 ( 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-2025-68276 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2025-68276 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2025-68468 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-68468 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2025-68468 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2025-68471 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVE-2025-68471 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2025-68471 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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 three vulnerabilities can now be installed.

Description:

This update for avahi fixes the following issues:

• CVE-2025-68276: Fixed refuse to create wide-area record browsers when wide-area is off (bsc#1256498)
• CVE-2025-68471: Fixed DoS bug by changing assert to return (bsc#1256500)
• CVE-2025-68468: Fixed DoS bug by removing incorrect assertion (bsc#1256499)

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-2026-259=1 openSUSE-SLE-15.6-2026-259=1
• Basesystem Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-259=1
• Desktop Applications Module 15-SP7
  zypper in -t patch SUSE-SLE-Module-Desktop-Applications-15-SP7-2026-259=1
• SUSE Package Hub 15 15-SP7
  zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-259=1

Package List:

• openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
  • avahi-utils-gtk-debuginfo-0.8-150600.15.12.1
  • libavahi-ui-gtk3-0-debuginfo-0.8-150600.15.12.1
  • libavahi-devel-0.8-150600.15.12.1
  • libdns_sd-0.8-150600.15.12.1
  • libavahi-ui-gtk3-0-0.8-150600.15.12.1
  • libavahi-gobject0-0.8-150600.15.12.1
  • typelib-1_0-Avahi-0_6-0.8-150600.15.12.1
  • libavahi-gobject-devel-0.8-150600.15.12.1
  • avahi-glib2-debugsource-0.8-150600.15.12.1
  • python3-avahi-gtk-0.8-150600.15.12.1
  • avahi-compat-howl-devel-0.8-150600.15.12.1
  • libavahi-qt5-devel-0.8-150600.15.12.1
  • avahi-utils-0.8-150600.15.12.1
  • avahi-debuginfo-0.8-150600.15.12.1
  • libdns_sd-debuginfo-0.8-150600.15.12.1
  • avahi-0.8-150600.15.12.1
  • libavahi-glib1-debuginfo-0.8-150600.15.12.1
  • libavahi-libevent1-0.8-150600.15.12.1
  • libavahi-core7-0.8-150600.15.12.1
  • libavahi-glib1-0.8-150600.15.12.1
  • libavahi-core7-debuginfo-0.8-150600.15.12.1
  • libhowl0-debuginfo-0.8-150600.15.12.1
  • avahi-utils-gtk-0.8-150600.15.12.1
  • libavahi-client3-debuginfo-0.8-150600.15.12.1
  • libavahi-libevent1-debuginfo-0.8-150600.15.12.1
  • libavahi-glib-devel-0.8-150600.15.12.1
  • avahi-debugsource-0.8-150600.15.12.1
  • python3-avahi-0.8-150600.15.12.1
  • avahi-qt5-debugsource-0.8-150600.15.12.1
  • avahi-utils-debuginfo-0.8-150600.15.12.1
  • libavahi-common3-debuginfo-0.8-150600.15.12.1
  • libavahi-qt5-1-0.8-150600.15.12.1
  • libhowl0-0.8-150600.15.12.1
  • avahi-autoipd-debuginfo-0.8-150600.15.12.1
  • avahi-autoipd-0.8-150600.15.12.1
  • libavahi-client3-0.8-150600.15.12.1
  • libavahi-qt5-1-debuginfo-0.8-150600.15.12.1
  • avahi-compat-mDNSResponder-devel-0.8-150600.15.12.1
  • libavahi-common3-0.8-150600.15.12.1
  • libavahi-gobject0-debuginfo-0.8-150600.15.12.1
• openSUSE Leap 15.6 (x86_64)
  • libavahi-glib1-32bit-0.8-150600.15.12.1
  • libavahi-client3-32bit-debuginfo-0.8-150600.15.12.1
  • libavahi-common3-32bit-debuginfo-0.8-150600.15.12.1
  • libavahi-common3-32bit-0.8-150600.15.12.1
  • libdns_sd-32bit-debuginfo-0.8-150600.15.12.1
  • libavahi-client3-32bit-0.8-150600.15.12.1
  • libavahi-glib1-32bit-debuginfo-0.8-150600.15.12.1
  • libdns_sd-32bit-0.8-150600.15.12.1
  • avahi-32bit-debuginfo-0.8-150600.15.12.1
• openSUSE Leap 15.6 (noarch)
  • avahi-lang-0.8-150600.15.12.1
• openSUSE Leap 15.6 (aarch64_ilp32)
  • libavahi-client3-64bit-0.8-150600.15.12.1
  • libdns_sd-64bit-0.8-150600.15.12.1
  • libavahi-common3-64bit-0.8-150600.15.12.1
  • libdns_sd-64bit-debuginfo-0.8-150600.15.12.1
  • libavahi-glib1-64bit-0.8-150600.15.12.1
  • libavahi-glib1-64bit-debuginfo-0.8-150600.15.12.1
  • libavahi-client3-64bit-debuginfo-0.8-150600.15.12.1
  • libavahi-common3-64bit-debuginfo-0.8-150600.15.12.1
  • avahi-64bit-debuginfo-0.8-150600.15.12.1
• Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • libavahi-ui-gtk3-0-debuginfo-0.8-150600.15.12.1
  • libavahi-devel-0.8-150600.15.12.1
  • libavahi-ui-gtk3-0-0.8-150600.15.12.1
  • libdns_sd-0.8-150600.15.12.1
  • libavahi-gobject0-0.8-150600.15.12.1
  • typelib-1_0-Avahi-0_6-0.8-150600.15.12.1
  • avahi-compat-mDNSResponder-devel-0.8-150600.15.12.1
  • avahi-glib2-debugsource-0.8-150600.15.12.1
  • avahi-compat-howl-devel-0.8-150600.15.12.1
  • avahi-utils-0.8-150600.15.12.1
  • avahi-debuginfo-0.8-150600.15.12.1
  • libdns_sd-debuginfo-0.8-150600.15.12.1
  • avahi-0.8-150600.15.12.1
  • libavahi-glib1-debuginfo-0.8-150600.15.12.1
  • libavahi-libevent1-0.8-150600.15.12.1
  • libavahi-core7-0.8-150600.15.12.1
  • libavahi-glib1-0.8-150600.15.12.1
  • libavahi-core7-debuginfo-0.8-150600.15.12.1
  • libhowl0-debuginfo-0.8-150600.15.12.1
  • libavahi-client3-debuginfo-0.8-150600.15.12.1
  • libavahi-libevent1-debuginfo-0.8-150600.15.12.1
  • libavahi-glib-devel-0.8-150600.15.12.1
  • avahi-debugsource-0.8-150600.15.12.1
  • avahi-utils-debuginfo-0.8-150600.15.12.1
  • libavahi-common3-debuginfo-0.8-150600.15.12.1
  • libhowl0-0.8-150600.15.12.1
  • libavahi-client3-0.8-150600.15.12.1
  • libavahi-gobject0-debuginfo-0.8-150600.15.12.1
  • libavahi-common3-0.8-150600.15.12.1
• Basesystem Module 15-SP7 (noarch)
  • avahi-lang-0.8-150600.15.12.1
• Basesystem Module 15-SP7 (x86_64)
  • libavahi-client3-32bit-debuginfo-0.8-150600.15.12.1
  • libavahi-common3-32bit-debuginfo-0.8-150600.15.12.1
  • libavahi-common3-32bit-0.8-150600.15.12.1
  • libavahi-client3-32bit-0.8-150600.15.12.1
  • avahi-32bit-debuginfo-0.8-150600.15.12.1
• Desktop Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
  • avahi-glib2-debugsource-0.8-150600.15.12.1
  • avahi-utils-gtk-debuginfo-0.8-150600.15.12.1
  • avahi-autoipd-debuginfo-0.8-150600.15.12.1
  • avahi-utils-gtk-0.8-150600.15.12.1
  • avahi-debuginfo-0.8-150600.15.12.1
  • avahi-autoipd-0.8-150600.15.12.1
  • avahi-debugsource-0.8-150600.15.12.1
  • libavahi-gobject-devel-0.8-150600.15.12.1
• SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
  • avahi-debuginfo-0.8-150600.15.12.1
  • avahi-debugsource-0.8-150600.15.12.1
  • python3-avahi-0.8-150600.15.12.1

References:

• https://www.suse.com/security/cve/CVE-2025-68276.html
• https://www.suse.com/security/cve/CVE-2025-68468.html
• https://www.suse.com/security/cve/CVE-2025-68471.html
• https://bugzilla.suse.com/show_bug.cgi?id=1256498
• https://bugzilla.suse.com/show_bug.cgi?id=1256499
• https://bugzilla.suse.com/show_bug.cgi?id=1256500