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CVE-2025-62408

c-ares has a Use After Free vulnerability when connection is cleaned up after error

CVSS 5.9 MEDIUMEPSS 0.4%CWE-416
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Productos afectados
c-ares · c-ares

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Referencias
https://github.com/c-ares/c-ares/commit/714bf5675c541bd1e668a8db8e67ce012651e618https://github.com/c-ares/c-ares/security/advisories/GHSA-jq53-42q6-pqr5