Security update for avahi SUSE Patch security@suse.de SUSE Security Team openSUSE-SU-2026:20110-1 Final 1 1 2026-01-26T10:20:39Z current 2026-01-26T10:20:39Z 2026-01-26T10:20:39Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for avahi 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) The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). openSUSE-Leap-16.0-193 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1256498 SUSE Bug 1256498 https://bugzilla.suse.com/1256499 SUSE Bug 1256499 https://bugzilla.suse.com/1256500 SUSE Bug 1256500 https://www.suse.com/security/cve/CVE-2025-68276/ SUSE CVE CVE-2025-68276 page https://www.suse.com/security/cve/CVE-2025-68468/ SUSE CVE CVE-2025-68468 page https://www.suse.com/security/cve/CVE-2025-68471/ SUSE CVE CVE-2025-68471 page openSUSE Leap 16.0 avahi-0.8-160000.4.1 avahi-autoipd-0.8-160000.4.1 avahi-compat-howl-devel-0.8-160000.4.1 avahi-compat-mDNSResponder-devel-0.8-160000.4.1 avahi-lang-0.8-160000.4.1 avahi-utils-0.8-160000.4.1 avahi-utils-gtk-0.8-160000.4.1 libavahi-client3-0.8-160000.4.1 libavahi-common3-0.8-160000.4.1 libavahi-core7-0.8-160000.4.1 libavahi-devel-0.8-160000.4.1 libavahi-glib-devel-0.8-160000.4.1 libavahi-glib1-0.8-160000.4.1 libavahi-gobject-devel-0.8-160000.4.1 libavahi-gobject0-0.8-160000.4.1 libavahi-libevent1-0.8-160000.4.1 libavahi-qt6-1-0.8-160000.4.1 libavahi-qt6-devel-0.8-160000.4.1 libavahi-ui-gtk3-0-0.8-160000.4.1 libdns_sd-0.8-160000.4.1 libhowl0-0.8-160000.4.1 python3-avahi-gtk-0.8-160000.4.1 python313-avahi-0.8-160000.4.1 typelib-1_0-Avahi-0_6-0.8-160000.4.1 avahi-0.8-160000.4.1 as a component of openSUSE Leap 16.0 avahi-autoipd-0.8-160000.4.1 as a component of openSUSE Leap 16.0 avahi-compat-howl-devel-0.8-160000.4.1 as a component of openSUSE Leap 16.0 avahi-compat-mDNSResponder-devel-0.8-160000.4.1 as a component of openSUSE Leap 16.0 avahi-lang-0.8-160000.4.1 as a component of openSUSE Leap 16.0 avahi-utils-0.8-160000.4.1 as a component of openSUSE Leap 16.0 avahi-utils-gtk-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-client3-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-common3-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-core7-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-devel-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-glib-devel-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-glib1-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-gobject-devel-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-gobject0-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-libevent1-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-qt6-1-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-qt6-devel-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libavahi-ui-gtk3-0-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libdns_sd-0.8-160000.4.1 as a component of openSUSE Leap 16.0 libhowl0-0.8-160000.4.1 as a component of openSUSE Leap 16.0 python3-avahi-gtk-0.8-160000.4.1 as a component of openSUSE Leap 16.0 python313-avahi-0.8-160000.4.1 as a component of openSUSE Leap 16.0 typelib-1_0-Avahi-0_6-0.8-160000.4.1 as a component of openSUSE Leap 16.0 Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, an unprivileged local users can crash avahi-daemon (with wide-area disabled) by creating record browsers with the AVAHI_LOOKUP_USE_WIDE_AREA flag set via D-Bus. This can be done by either calling the RecordBrowserNew method directly or creating hostname/address/service resolvers/browsers that create those browsers internally themselves. CVE-2025-68276 openSUSE Leap 16.0:avahi-0.8-160000.4.1 openSUSE Leap 16.0:avahi-autoipd-0.8-160000.4.1 openSUSE Leap 16.0:avahi-compat-howl-devel-0.8-160000.4.1 openSUSE Leap 16.0:avahi-compat-mDNSResponder-devel-0.8-160000.4.1 openSUSE Leap 16.0:avahi-lang-0.8-160000.4.1 openSUSE Leap 16.0:avahi-utils-0.8-160000.4.1 openSUSE Leap 16.0:avahi-utils-gtk-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-client3-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-common3-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-core7-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-glib-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-glib1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-gobject-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-gobject0-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-libevent1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-qt6-1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-qt6-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-ui-gtk3-0-0.8-160000.4.1 openSUSE Leap 16.0:libdns_sd-0.8-160000.4.1 openSUSE Leap 16.0:libhowl0-0.8-160000.4.1 openSUSE Leap 16.0:python3-avahi-gtk-0.8-160000.4.1 openSUSE Leap 16.0:python313-avahi-0.8-160000.4.1 openSUSE Leap 16.0:typelib-1_0-Avahi-0_6-0.8-160000.4.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2025-68276.html CVE-2025-68276 https://bugzilla.suse.com/1256498 SUSE Bug 1256498 Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending unsolicited announcements containing CNAME resource records pointing it to resource records with short TTLs. As soon as they expire avahi-daemon crashes. CVE-2025-68468 openSUSE Leap 16.0:avahi-0.8-160000.4.1 openSUSE Leap 16.0:avahi-autoipd-0.8-160000.4.1 openSUSE Leap 16.0:avahi-compat-howl-devel-0.8-160000.4.1 openSUSE Leap 16.0:avahi-compat-mDNSResponder-devel-0.8-160000.4.1 openSUSE Leap 16.0:avahi-lang-0.8-160000.4.1 openSUSE Leap 16.0:avahi-utils-0.8-160000.4.1 openSUSE Leap 16.0:avahi-utils-gtk-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-client3-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-common3-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-core7-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-glib-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-glib1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-gobject-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-gobject0-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-libevent1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-qt6-1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-qt6-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-ui-gtk3-0-0.8-160000.4.1 openSUSE Leap 16.0:libdns_sd-0.8-160000.4.1 openSUSE Leap 16.0:libhowl0-0.8-160000.4.1 openSUSE Leap 16.0:python3-avahi-gtk-0.8-160000.4.1 openSUSE Leap 16.0:python313-avahi-0.8-160000.4.1 openSUSE Leap 16.0:typelib-1_0-Avahi-0_6-0.8-160000.4.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2025-68468.html CVE-2025-68468 https://bugzilla.suse.com/1256499 SUSE Bug 1256499 Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by sending 2 unsolicited announcements with CNAME resource records 2 seconds apart. CVE-2025-68471 openSUSE Leap 16.0:avahi-0.8-160000.4.1 openSUSE Leap 16.0:avahi-autoipd-0.8-160000.4.1 openSUSE Leap 16.0:avahi-compat-howl-devel-0.8-160000.4.1 openSUSE Leap 16.0:avahi-compat-mDNSResponder-devel-0.8-160000.4.1 openSUSE Leap 16.0:avahi-lang-0.8-160000.4.1 openSUSE Leap 16.0:avahi-utils-0.8-160000.4.1 openSUSE Leap 16.0:avahi-utils-gtk-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-client3-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-common3-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-core7-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-glib-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-glib1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-gobject-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-gobject0-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-libevent1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-qt6-1-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-qt6-devel-0.8-160000.4.1 openSUSE Leap 16.0:libavahi-ui-gtk3-0-0.8-160000.4.1 openSUSE Leap 16.0:libdns_sd-0.8-160000.4.1 openSUSE Leap 16.0:libhowl0-0.8-160000.4.1 openSUSE Leap 16.0:python3-avahi-gtk-0.8-160000.4.1 openSUSE Leap 16.0:python313-avahi-0.8-160000.4.1 openSUSE Leap 16.0:typelib-1_0-Avahi-0_6-0.8-160000.4.1 moderate To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/security/cve/CVE-2025-68471.html CVE-2025-68471 https://bugzilla.suse.com/1256500 SUSE Bug 1256500