{"id":"USN-7477-1","summary":"c-ares vulnerability","details":"It was discovered that c-ares incorrectly handled re-enqueuing certain\nqueries. A remote attacker could possibly use this issue to cause c-ares to\ncrash, resulting in a denial of service.\n","modified":"2025-10-13T04:41:07Z","published":"2025-05-05T11:49:28.413293Z","related":["UBUNTU-CVE-2025-31498"],"upstream":["CVE-2025-31498","UBUNTU-CVE-2025-31498"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7477-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-31498"}],"affected":[{"package":{"name":"c-ares","ecosystem":"Ubuntu:25.04","purl":"pkg:deb/ubuntu/c-ares@1.34.4-2.1ubuntu0.1?arch=source&distro=plucky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.34.4-2.1ubuntu0.1"}]}],"versions":["1.33.0-1","1.34.2-1","1.34.3-1","1.34.4-1","1.34.4-2.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.34.4-2.1ubuntu0.1","binary_name":"libc-ares-dev"},{"binary_version":"1.34.4-2.1ubuntu0.1","binary_name":"libc-ares2"},{"binary_version":"1.34.4-2.1ubuntu0.1","binary_name":"libcares2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:25.04","cves":[{"id":"CVE-2025-31498","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7477-1.json"}}],"schema_version":"1.7.3"}