{"id":"USN-3395-1","summary":"c-ares vulnerability","details":"It was discovered that c-ares incorrectly handled certain NAPTR responses.\nA remote attacker could possibly use this issue to cause applications using\nc-ares to crash, resulting in a denial of service.\n","modified":"2026-04-22T09:38:01.155977Z","published":"2017-08-17T17:09:39Z","related":["UBUNTU-CVE-2017-1000381"],"upstream":["CVE-2017-1000381","UBUNTU-CVE-2017-1000381"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3395-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-1000381"}],"affected":[{"package":{"name":"c-ares","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/c-ares@1.10.0-2ubuntu0.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.0-2ubuntu0.2"}]}],"versions":["1.10.0-2","1.10.0-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10.0-2ubuntu0.2","binary_name":"libc-ares2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-1000381","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3395-1.json"}},{"package":{"name":"c-ares","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/c-ares@1.10.0-3ubuntu0.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.0-3ubuntu0.2"}]}],"versions":["1.10.0-2","1.10.0-3","1.10.0-3ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10.0-3ubuntu0.2","binary_name":"libc-ares2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2017-1000381","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3395-1.json"}}],"schema_version":"1.7.5"}