{"id":"USN-3876-1","summary":"avahi vulnerabilities","details":"Chad Seaman discovered that Avahi incorrectly handled certain messages.\nAn attacker could possibly use this issue to cause a denial of service.\n(CVE-2017-6519, CVE-2018-1000845)\n","modified":"2026-04-22T09:53:58.486538Z","published":"2019-01-31T11:38:04Z","related":["UBUNTU-CVE-2017-6519","UBUNTU-CVE-2018-1000845"],"upstream":["CVE-2017-6519","CVE-2018-1000845","UBUNTU-CVE-2017-6519","UBUNTU-CVE-2018-1000845"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3876-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-6519"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-1000845"}],"affected":[{"package":{"name":"avahi","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/avahi@0.6.31-4ubuntu1.3?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.31-4ubuntu1.3"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"avahi-autoipd"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"avahi-daemon"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"avahi-discover"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"avahi-dnsconfd"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"avahi-ui-utils"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"avahi-utils"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-client3"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-common-data"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-common3"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-compat-libdnssd1"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-core7"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-glib1"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-gobject0"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-qt4-1"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-ui-gtk3-0"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"libavahi-ui0"},{"binary_version":"0.6.31-4ubuntu1.3","binary_name":"python-avahi"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3876-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2017-6519"},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-1000845"}]}}},{"package":{"name":"avahi","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/avahi@0.6.32~rc+dfsg-1ubuntu2.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.32~rc+dfsg-1ubuntu2.3"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"avahi-autoipd"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"avahi-daemon"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"avahi-discover"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"avahi-dnsconfd"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"avahi-ui-utils"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"avahi-utils"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-client3"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-common-data"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-common3"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-compat-libdnssd1"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-core7"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-glib1"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-gobject0"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-qt4-1"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-ui-gtk3-0"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"libavahi-ui0"},{"binary_version":"0.6.32~rc+dfsg-1ubuntu2.3","binary_name":"python-avahi"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3876-1.json","cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2017-6519"},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-1000845"}]}}},{"package":{"name":"avahi","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/avahi@0.7-3.1ubuntu1.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.7-3.1ubuntu1.2"}]}],"versions":["0.6.32-1ubuntu1","0.7-3ubuntu1","0.7-3ubuntu2","0.7-3.1ubuntu1","0.7-3.1ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"avahi-autoipd"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"avahi-daemon"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"avahi-discover"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"avahi-dnsconfd"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"avahi-ui-utils"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"avahi-utils"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"gir1.2-avahi-0.6"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"libavahi-client3"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"libavahi-common-data"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"libavahi-common3"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"libavahi-compat-libdnssd1"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"libavahi-core7"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"libavahi-glib1"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"libavahi-gobject0"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"libavahi-ui-gtk3-0"},{"binary_version":"0.7-3.1ubuntu1.2","binary_name":"python-avahi"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3876-1.json","cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2017-6519"},{"severity":[{"type":"Ubuntu","score":"medium"}],"id":"CVE-2018-1000845"}]}}}],"schema_version":"1.7.5"}