CVE 5.9 MEDIUM

c-ares has a Use After Free vulnerability when connection is cleaned up after error_CVE-2025-62408

5.9 / 10
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Basic Information

ID CVE-2025-62408
Source GitHub_M
Published Dec 8, 2025 at 22:04

Affected Product

Vendor c-ares
Product c-ares
Version > 1.32.3, < 1.34.6
Affected Versions c-ares c-ares > 1.32.3, < 1.34.6

CWE Classification

References

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