CVE-2025-62408

medium

Description

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.

References

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

https://github.com/c-ares/c-ares/commit/714bf5675c541bd1e668a8db8e67ce012651e618

Details

Source: Mitre, NVD

Published: 2025-12-08

Updated: 2025-12-09

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H