Use After Free Affecting c-ares package, versions [1.32.3,1.34.6)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-CONAN-CARES-14236424
- published13 Dec 2025
- disclosed8 Dec 2025
- creditJoe Kralicky
Introduced: 8 Dec 2025
CVE-2025-62408 (opens in a new tab)How to fix?
Upgrade c-ares to version 1.34.6 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the read_answer or process_answer functions when a query is terminated after reaching the maximum number of attempts. An attacker can cause a crash by triggering error conditions that lead to premature connection cleanup.