{"id":"ALPINE-CVE-2025-62408","details":"c-ares is an asynchronous resolver library. Versions 1.32.3 through 1.34.5  terminate a query after maximum attempts when using read_answer() and process_answer(), which can cause a Denial of Service. This issue is fixed in version 1.34.6.","modified":"2026-08-27T22:18:02.997249718Z","published":"2025-12-08T22:15:52.620Z","upstream":["CVE-2025-62408"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2025-62408"}],"affected":[{"package":{"name":"c-ares","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/c-ares?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.32.3"},{"fixed":"1.34.6-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62408.json"}},{"package":{"name":"c-ares","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/c-ares?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.32.3"},{"fixed":"1.34.6-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62408.json"}},{"package":{"name":"c-ares","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/c-ares?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.32.3"},{"fixed":"1.34.6-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62408.json"}},{"package":{"name":"c-ares","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/c-ares?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.32.3"},{"fixed":"1.34.6-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2025-62408.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}