{"id":"CVE-2025-62408","title":"c-ares is an asynchronous resolver library","summary":"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.","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-416"],"vendor":"c-ares","product":"c-ares","affected":["c-ares >= 1.32.3, < 1.34.6"],"patched":["c-ares 1.34.6"],"published":"2025-12-08","updated":"2026-10-14","sourceUpdated":"2026-10-14T22:10:00.210","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-62408","references":[{"url":"https://github.com/c-ares/c-ares/commit/714bf5675c541bd1e668a8db8e67ce012651e618","label":"security-advisories@github.com"},{"url":"https://github.com/c-ares/c-ares/security/advisories/GHSA-jq53-42q6-pqr5","label":"security-advisories@github.com"}],"tags":["nvd"],"epss":0.00427,"epssPercentile":0.35352,"ingestedAt":"2026-10-14T23:00:02.028Z","slug":"CVE-2025-62408","body":"## Overview\n\nc-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.\n\n## Affected\n\n- `c-ares >= 1.32.3, < 1.34.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `c-ares 1.34.6`","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}