{"id":"CVE-2025-62408","summary":"c-ares has a Use After Free vulnerability when connection is cleaned up after error","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.","aliases":["GHSA-jq53-42q6-pqr5"],"modified":"2026-02-04T06:32:42.534863Z","published":"2025-12-08T22:04:08.565Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62408.json","cwe_ids":["CWE-416"],"cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/62xxx/CVE-2025-62408.json"},{"type":"FIX","url":"https://github.com/c-ares/c-ares/commit/714bf5675c541bd1e668a8db8e67ce012651e618"},{"type":"ADVISORY","url":"https://github.com/c-ares/c-ares/security/advisories/GHSA-jq53-42q6-pqr5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62408"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/c-ares/c-ares","events":[{"introduced":"5899dea2b1f8e78f311aaed7db98b82b5537c9f9"},{"fixed":"3ac47ee46edd8ea40370222f91613fc16c434853"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-62408.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}