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.
SeverityMedium
CVSS5.9
Exploit probability—
ProductC-ares
PublishedDec 8, 2025
First seenDec 8, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- c-ares c-ares1.34.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| c-ares c-ares | 1.32.3 ≤ v < 1.34.6 | 1.34.6 |
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