{"id":"USN-6376-1","summary":"c-ares vulnerability","details":"It was discovered that c-ares incorrectly parsed certain SOA replies. A\nremote attacker could possibly use this issue to cause c-res to crash,\nresulting in a denial of service.\n","modified":"2026-02-10T04:43:19Z","published":"2023-09-18T13:08:11Z","related":["UBUNTU-CVE-2020-22217"],"upstream":["CVE-2020-22217","UBUNTU-CVE-2020-22217"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6376-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-22217"}],"affected":[{"package":{"name":"c-ares","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/c-ares@1.15.0-1ubuntu0.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15.0-1ubuntu0.4"}]}],"versions":["1.15.0-1build1","1.15.0-1ubuntu0.1","1.15.0-1ubuntu0.2","1.15.0-1ubuntu0.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.15.0-1ubuntu0.4","binary_name":"libc-ares-dev"},{"binary_version":"1.15.0-1ubuntu0.4","binary_name":"libc-ares2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6376-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2020-22217","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}}],"schema_version":"1.7.3"}