{"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_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_version":"0.6.31-4ubuntu1.3","binary_name":"avahi-ui-utils"},{"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_version":"0.6.31-4ubuntu1.3","binary_name":"python-avahi"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-6519","severity":[{"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":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2018-1000845","severity":[{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3876-1.json"}},{"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":{"binaries":[{"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","binary_version":"0.6.32~rc+dfsg-1ubuntu2.3"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-6519","severity":[{"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":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"severity":[{"score":"medium","type":"Ubuntu"}],"id":"CVE-2018-1000845"}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3876-1.json"}},{"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_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_version":"0.7-3.1ubuntu1.2","binary_name":"gir1.2-avahi-0.6"},{"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","binary_version":"0.7-3.1ubuntu1.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2017-6519","severity":[{"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":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2018-1000845","severity":[{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3876-1.json"}}],"schema_version":"1.7.5"}