CVE-2025-68276

Avahi has a reachable assertion in avahi_wide_area_scan_cache

CVE-2025-68276 is fixed in 21 products on 1 platform, first by avahi-autoipd 0.7-3.1ubuntu1.3+esm3, released January 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0016
4th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
avahi · Debian 14 0.8-18 DEBIAN-CVE-2025-68276 Jan 12, 2026
avahi · opensuse-leap 15.6 0.8-150600.15.12.1 SUSE-SU-2026:0259-1 Jan 22, 2026
avahi · opensuse-leap 16.0 0.8-160000.4.1 OPENSUSE-SU-2026:20110-1 Jan 26, 2026
avahi · sles 15.7 0.8-150600.15.12.1 SUSE-SU-2026:0259-1 Jan 22, 2026
avahi · sles 16.0 0.8-160000.4.1 SUSE-SU-2026:20145-1 Jan 26, 2026
avahi-autoipd · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 avahi-autoipd 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
avahi-autoipd · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 avahi-autoipd 0.7-4ubuntu7.3+esm1 Jan 12, 2026
avahi-autoipd · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 avahi-autoipd 0.8-5ubuntu5.4 Jan 12, 2026
avahi-autoipd · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 avahi-autoipd 0.8-13ubuntu6.1 Jan 12, 2026
avahi-autoipd · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 avahi-autoipd 0.8-16ubuntu3.1 Jan 12, 2026
avahi-daemon · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 avahi-daemon 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
avahi-daemon · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 avahi-daemon 0.7-4ubuntu7.3+esm1 Jan 12, 2026
avahi-daemon · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 avahi-daemon 0.8-5ubuntu5.4 Jan 12, 2026
avahi-daemon · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 avahi-daemon 0.8-13ubuntu6.1 Jan 12, 2026
avahi-daemon · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 avahi-daemon 0.8-16ubuntu3.1 Jan 12, 2026
avahi-discover · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 avahi-discover 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
avahi-discover · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 avahi-discover 0.7-4ubuntu7.3+esm1 Jan 12, 2026
avahi-discover · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 avahi-discover 0.8-5ubuntu5.4 Jan 12, 2026
avahi-discover · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 avahi-discover 0.8-13ubuntu6.1 Jan 12, 2026
avahi-discover · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 avahi-discover 0.8-16ubuntu3.1 Jan 12, 2026
avahi-dnsconfd · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 avahi-dnsconfd 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
avahi-dnsconfd · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 avahi-dnsconfd 0.7-4ubuntu7.3+esm1 Jan 12, 2026
avahi-dnsconfd · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 avahi-dnsconfd 0.8-5ubuntu5.4 Jan 12, 2026
avahi-dnsconfd · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 avahi-dnsconfd 0.8-13ubuntu6.1 Jan 12, 2026
avahi-dnsconfd · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 avahi-dnsconfd 0.8-16ubuntu3.1 Jan 12, 2026
avahi-glib2 · opensuse-leap 15.6 0.8-150600.15.12.1 SUSE-SU-2026:0259-1 Jan 22, 2026
avahi-glib2 · opensuse-leap 16.0 0.8-160000.4.1 OPENSUSE-SU-2026:20110-1 Jan 26, 2026
avahi-glib2 · sles 15.7 0.8-150600.15.12.1 SUSE-SU-2026:0259-1 Jan 22, 2026
avahi-glib2 · sles 16.0 0.8-160000.4.1 SUSE-SU-2026:20145-1 Jan 26, 2026
avahi-qt5 · opensuse-leap 15.6 0.8-150600.15.12.1 SUSE-SU-2026:0259-1 Jan 22, 2026
avahi-qt6 · opensuse-leap 16.0 0.8-160000.4.1 OPENSUSE-SU-2026:20110-1 Jan 26, 2026
avahi-ui-utils · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 avahi-ui-utils 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
avahi-ui-utils · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 avahi-ui-utils 0.7-4ubuntu7.3+esm1 Jan 12, 2026
avahi-ui-utils · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 avahi-ui-utils 0.8-5ubuntu5.4 Jan 12, 2026
avahi-ui-utils · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 avahi-ui-utils 0.8-13ubuntu6.1 Jan 12, 2026
avahi-ui-utils · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 avahi-ui-utils 0.8-16ubuntu3.1 Jan 12, 2026
avahi-utils · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 avahi-utils 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
avahi-utils · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 avahi-utils 0.7-4ubuntu7.3+esm1 Jan 12, 2026
avahi-utils · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 avahi-utils 0.8-5ubuntu5.4 Jan 12, 2026
avahi-utils · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 avahi-utils 0.8-13ubuntu6.1 Jan 12, 2026
avahi-utils · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 avahi-utils 0.8-16ubuntu3.1 Jan 12, 2026
gir1.2-avahi-0.6 · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 gir1.2-avahi-0.6 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
gir1.2-avahi-0.6 · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 gir1.2-avahi-0.6 0.7-4ubuntu7.3+esm1 Jan 12, 2026
gir1.2-avahi-0.6 · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 gir1.2-avahi-0.6 0.8-5ubuntu5.4 Jan 12, 2026
gir1.2-avahi-0.6 · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 gir1.2-avahi-0.6 0.8-13ubuntu6.1 Jan 12, 2026
gir1.2-avahi-0.6 · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 gir1.2-avahi-0.6 0.8-16ubuntu3.1 Jan 12, 2026
libavahi-client3 · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 libavahi-client3 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
libavahi-client3 · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 libavahi-client3 0.7-4ubuntu7.3+esm1 Jan 12, 2026
libavahi-client3 · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 libavahi-client3 0.8-5ubuntu5.4 Jan 12, 2026
libavahi-client3 · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 libavahi-client3 0.8-13ubuntu6.1 Jan 12, 2026
libavahi-client3 · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 libavahi-client3 0.8-16ubuntu3.1 Jan 12, 2026
libavahi-common-data · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 libavahi-common-data 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
libavahi-common-data · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 libavahi-common-data 0.7-4ubuntu7.3+esm1 Jan 12, 2026
libavahi-common-data · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 libavahi-common-data 0.8-5ubuntu5.4 Jan 12, 2026
libavahi-common-data · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 libavahi-common-data 0.8-13ubuntu6.1 Jan 12, 2026
libavahi-common-data · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 libavahi-common-data 0.8-16ubuntu3.1 Jan 12, 2026
libavahi-common3 · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 libavahi-common3 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
libavahi-common3 · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 libavahi-common3 0.7-4ubuntu7.3+esm1 Jan 12, 2026
libavahi-common3 · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 libavahi-common3 0.8-5ubuntu5.4 Jan 12, 2026
libavahi-common3 · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 libavahi-common3 0.8-13ubuntu6.1 Jan 12, 2026
libavahi-common3 · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 libavahi-common3 0.8-16ubuntu3.1 Jan 12, 2026
libavahi-compat-libdnssd1 · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 libavahi-compat-libdnssd1 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
libavahi-compat-libdnssd1 · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 libavahi-compat-libdnssd1 0.7-4ubuntu7.3+esm1 Jan 12, 2026
libavahi-compat-libdnssd1 · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 libavahi-compat-libdnssd1 0.8-5ubuntu5.4 Jan 12, 2026
libavahi-compat-libdnssd1 · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 libavahi-compat-libdnssd1 0.8-13ubuntu6.1 Jan 12, 2026
libavahi-compat-libdnssd1 · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 libavahi-compat-libdnssd1 0.8-16ubuntu3.1 Jan 12, 2026
libavahi-core7 · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 libavahi-core7 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
libavahi-core7 · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 libavahi-core7 0.7-4ubuntu7.3+esm1 Jan 12, 2026
libavahi-core7 · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 libavahi-core7 0.8-5ubuntu5.4 Jan 12, 2026
libavahi-core7 · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 libavahi-core7 0.8-13ubuntu6.1 Jan 12, 2026
libavahi-core7 · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 libavahi-core7 0.8-16ubuntu3.1 Jan 12, 2026
libavahi-glib1 · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 libavahi-glib1 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
libavahi-glib1 · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 libavahi-glib1 0.7-4ubuntu7.3+esm1 Jan 12, 2026
libavahi-glib1 · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 libavahi-glib1 0.8-5ubuntu5.4 Jan 12, 2026
libavahi-glib1 · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 libavahi-glib1 0.8-13ubuntu6.1 Jan 12, 2026
libavahi-glib1 · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 libavahi-glib1 0.8-16ubuntu3.1 Jan 12, 2026
libavahi-gobject0 · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 libavahi-gobject0 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
libavahi-gobject0 · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 libavahi-gobject0 0.7-4ubuntu7.3+esm1 Jan 12, 2026
libavahi-gobject0 · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 libavahi-gobject0 0.8-5ubuntu5.4 Jan 12, 2026
libavahi-gobject0 · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 libavahi-gobject0 0.8-13ubuntu6.1 Jan 12, 2026
libavahi-gobject0 · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 libavahi-gobject0 0.8-16ubuntu3.1 Jan 12, 2026
libavahi-ui-gtk3-0 · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 libavahi-ui-gtk3-0 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
libavahi-ui-gtk3-0 · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 libavahi-ui-gtk3-0 0.7-4ubuntu7.3+esm1 Jan 12, 2026
libavahi-ui-gtk3-0 · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 libavahi-ui-gtk3-0 0.8-5ubuntu5.4 Jan 12, 2026
libavahi-ui-gtk3-0 · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 libavahi-ui-gtk3-0 0.8-13ubuntu6.1 Jan 12, 2026
libavahi-ui-gtk3-0 · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 libavahi-ui-gtk3-0 0.8-16ubuntu3.1 Jan 12, 2026
python-avahi · Ubuntu 18.04.6 LTS (bionic) 0.7-3.1ubuntu1.3+esm3 python-avahi 0.7-3.1ubuntu1.3+esm3 Jan 12, 2026
python-avahi · Ubuntu 20.04 LTS (focal) 0.7-4ubuntu7.3+esm1 python-avahi 0.7-4ubuntu7.3+esm1 Jan 12, 2026
python3-avahi · Ubuntu 22.04.1 LTS (jammy) 0.8-5ubuntu5.4 python3-avahi 0.8-5ubuntu5.4 Jan 12, 2026
python3-avahi · Ubuntu 24.04.5 LTS (noble) 0.8-13ubuntu6.1 python3-avahi 0.8-13ubuntu6.1 Jan 12, 2026
python3-avahi · Ubuntu 25.10 (questing) 0.8-16ubuntu3.1 python3-avahi 0.8-16ubuntu3.1 Jan 12, 2026

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