{"id":"UBUNTU-CVE-2025-68276","details":"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.","modified":"2026-04-22T16:10:16.459778Z","published":"2026-01-12T18:15:00Z","related":["USN-7967-1"],"upstream":["CVE-2025-68276"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-68276"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-68276"},{"type":"REPORT","url":"https://github.com/avahi/avahi/security/advisories/GHSA-mhf3-865v-g5rc"},{"type":"REPORT","url":"https://github.com/avahi/avahi/pull/806"},{"type":"REPORT","url":"https://github.com/avahi/avahi/commit/ede7048475c5d47d53890e3bc1350dda8e0b3688"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7967-1"}],"affected":[{"package":{"name":"avahi","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/avahi@0.6.31-4ubuntu1.3+esm4?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-4ubuntu1.3+esm4"}]}],"versions":["0.6.31-2ubuntu4","0.6.31-2ubuntu5","0.6.31-3ubuntu1","0.6.31-4ubuntu1","0.6.31-4ubuntu1.1","0.6.31-4ubuntu1.2","0.6.31-4ubuntu1.3","0.6.31-4ubuntu1.3+esm1","0.6.31-4ubuntu1.3+esm2","0.6.31-4ubuntu1.3+esm3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"avahi-autoipd","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"avahi-daemon","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"avahi-discover","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"avahi-dnsconfd","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"avahi-ui-utils","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"avahi-utils","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-client3","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-common-data","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-common3","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-compat-libdnssd1","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-core7","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-glib1","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-gobject0","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-qt4-1","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-ui-gtk3-0","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"libavahi-ui0","binary_version":"0.6.31-4ubuntu1.3+esm4"},{"binary_name":"python-avahi","binary_version":"0.6.31-4ubuntu1.3+esm4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-68276.json"}},{"package":{"name":"avahi","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/avahi@0.6.32~rc+dfsg-1ubuntu2.3+esm4?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"}]}],"versions":["0.6.31-4ubuntu4","0.6.32~rc+dfsg-1ubuntu2","0.6.32~rc+dfsg-1ubuntu2.1","0.6.32~rc+dfsg-1ubuntu2.2","0.6.32~rc+dfsg-1ubuntu2.3","0.6.32~rc+dfsg-1ubuntu2.3+esm1","0.6.32~rc+dfsg-1ubuntu2.3+esm2","0.6.32~rc+dfsg-1ubuntu2.3+esm3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"avahi-autoipd","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"avahi-daemon","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"avahi-discover","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"avahi-dnsconfd","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"avahi-ui-utils","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"avahi-utils","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-client3","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-common-data","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-common3","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-compat-libdnssd1","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-core7","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-glib1","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-gobject0","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-qt4-1","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-ui-gtk3-0","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_name":"libavahi-ui0","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm4","binary_name":"python-avahi"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-68276.json"}},{"package":{"name":"avahi","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/avahi@0.7-3.1ubuntu1.3+esm3?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7-3.1ubuntu1.3+esm3"}]}],"versions":["0.6.32-1ubuntu1","0.7-3ubuntu1","0.7-3ubuntu2","0.7-3.1ubuntu1","0.7-3.1ubuntu1.1","0.7-3.1ubuntu1.2","0.7-3.1ubuntu1.3","0.7-3.1ubuntu1.3+esm1","0.7-3.1ubuntu1.3+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"avahi-autoipd","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"avahi-daemon","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"avahi-discover","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"avahi-dnsconfd","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"avahi-ui-utils","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"avahi-utils","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"gir1.2-avahi-0.6","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"libavahi-client3","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_version":"0.7-3.1ubuntu1.3+esm3","binary_name":"libavahi-common-data"},{"binary_name":"libavahi-common3","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"libavahi-compat-libdnssd1","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"libavahi-core7","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"libavahi-glib1","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"libavahi-gobject0","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"libavahi-ui-gtk3-0","binary_version":"0.7-3.1ubuntu1.3+esm3"},{"binary_name":"python-avahi","binary_version":"0.7-3.1ubuntu1.3+esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-68276.json"}},{"package":{"name":"avahi","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/avahi@0.7-4ubuntu7.3+esm1?arch=source&distro=esm-infra/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7-4ubuntu7.3+esm1"}]}],"versions":["0.7-4ubuntu5","0.7-4ubuntu6","0.7-4ubuntu7","0.7-4ubuntu7.1","0.7-4ubuntu7.2","0.7-4ubuntu7.3"],"ecosystem_specific":{"availability":"Available 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