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Medium 5.9Published Dec 8, 2025
CVE-2025-62408c-ares is an asynchronous resolver library.
Updated under an hour ago ()
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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.
- CVSS
- 5.9 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-416
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Oct 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
c-ares c-ares c-ares:c-ares | from 1.32.3 before 1.34.6 | NVD |
References
- https://github.com/c-ares/c-ares/commit/714bf5675c541bd1e668a8db8e67ce012651e618patch
- https://github.com/c-ares/c-ares/security/advisories/GHSA-jq53-42q6-pqr5patch, vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.