CVE-2025-62408

MEDIUM EPSS 30.8%
Published Dec 8, 20256mo ago · Modified Jun 17, 20262w ago
5.9 CVSS 3.1
Medium
Find Similar
Published Dec 8, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.9
Exploitability
2.2
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
30.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 1

VendorProductVersionRange
c-aresc-ares*≥1.32.3  –  <1.34.6

References 2

  • github.com https://github.com/c-ares/c-ares/commit/714bf5675c541bd1e668a8db8e67ce012651e618
    Patch
  • github.com https://github.com/c-ares/c-ares/security/advisories/GHSA-jq53-42q6-pqr5
    PatchVendor Advisory

Remediation

  • github.com https://github.com/c-ares/c-ares/commit/714bf5675c541bd1e668a8db8e67ce012651e618
    Patch
  • github.com https://github.com/c-ares/c-ares/security/advisories/GHSA-jq53-42q6-pqr5
    PatchVendor Advisory