c-ares is an asynchronous resolver library.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Dec 8, 2025 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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.

Affected

• cpe c-ares/c-aresversion unspecified

Sources

• CVE.orgVulnerability recordCVE-2025-62408

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2025-62408

  30-day exploitation probability 0.4%

  first.org
• NIST NVDVulnerability recordCVE-2025-62408

  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.

  nvd.nist.gov

References

• Patch · github.com
• Patch · github.com