{"id":"USN-6129-2","summary":"avahi vulnerability","details":"USN-6129-1 fixed a vulnerability in Avahi. This update provides the\ncorresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 18.04\nLTS.\n\nOriginal advisory details:\n\n It was discovered that Avahi incorrectly handled certain DBus messages. A\n local attacker could possibly use this issue to cause Avahi to crash,\n resulting in a denial of service.\n","modified":"2026-06-29T13:50:48.070137962Z","published":"2023-07-25T13:18:51Z","related":["UBUNTU-CVE-2023-1981"],"upstream":["CVE-2023-1981","UBUNTU-CVE-2023-1981"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6129-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-1981"}],"affected":[{"package":{"name":"avahi","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/avahi?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-4ubuntu1.3+esm2"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"avahi-autoipd","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_version":"0.6.31-4ubuntu1.3+esm2","binary_name":"avahi-daemon"},{"binary_name":"avahi-discover","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_version":"0.6.31-4ubuntu1.3+esm2","binary_name":"avahi-dnsconfd"},{"binary_version":"0.6.31-4ubuntu1.3+esm2","binary_name":"avahi-ui-utils"},{"binary_name":"avahi-utils","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_name":"libavahi-client3","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_version":"0.6.31-4ubuntu1.3+esm2","binary_name":"libavahi-common-data"},{"binary_version":"0.6.31-4ubuntu1.3+esm2","binary_name":"libavahi-common3"},{"binary_version":"0.6.31-4ubuntu1.3+esm2","binary_name":"libavahi-compat-libdnssd1"},{"binary_name":"libavahi-core7","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_name":"libavahi-glib1","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_name":"libavahi-gobject0","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_name":"libavahi-qt4-1","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_version":"0.6.31-4ubuntu1.3+esm2","binary_name":"libavahi-ui-gtk3-0"},{"binary_name":"libavahi-ui0","binary_version":"0.6.31-4ubuntu1.3+esm2"},{"binary_version":"0.6.31-4ubuntu1.3+esm2","binary_name":"python-avahi"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-1981","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6129-2.json"}},{"package":{"name":"avahi","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/avahi?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"avahi-autoipd","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"avahi-daemon","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2","binary_name":"avahi-discover"},{"binary_name":"avahi-dnsconfd","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"avahi-ui-utils","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"avahi-utils","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"libavahi-client3","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"libavahi-common-data","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"libavahi-common3","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"libavahi-compat-libdnssd1","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"libavahi-core7","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_name":"libavahi-glib1","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2","binary_name":"libavahi-gobject0"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2","binary_name":"libavahi-qt4-1"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2","binary_name":"libavahi-ui-gtk3-0"},{"binary_name":"libavahi-ui0","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3+esm2","binary_name":"python-avahi"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2023-1981"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6129-2.json"}},{"package":{"name":"avahi","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/avahi?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7-3.1ubuntu1.3+esm1"}]}],"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"],"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+esm1"},{"binary_version":"0.7-3.1ubuntu1.3+esm1","binary_name":"avahi-daemon"},{"binary_name":"avahi-discover","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_version":"0.7-3.1ubuntu1.3+esm1","binary_name":"avahi-dnsconfd"},{"binary_version":"0.7-3.1ubuntu1.3+esm1","binary_name":"avahi-ui-utils"},{"binary_version":"0.7-3.1ubuntu1.3+esm1","binary_name":"avahi-utils"},{"binary_name":"gir1.2-avahi-0.6","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_version":"0.7-3.1ubuntu1.3+esm1","binary_name":"libavahi-client3"},{"binary_name":"libavahi-common-data","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_name":"libavahi-common3","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_name":"libavahi-compat-libdnssd1","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_name":"libavahi-core7","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_name":"libavahi-glib1","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_name":"libavahi-gobject0","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_name":"libavahi-ui-gtk3-0","binary_version":"0.7-3.1ubuntu1.3+esm1"},{"binary_name":"python-avahi","binary_version":"0.7-3.1ubuntu1.3+esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2023-1981"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6129-2.json"}}],"schema_version":"1.7.5"}