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CVE-2025-62408

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CVE-2025-62408

Published: Dec 8, 2025

Modified: Dec 9, 2025

PUBLISHED

CVSS v3.1

5.9

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.

VendorProductVersions

c-ares

c-ares

affected
> 1.32.3, < 1.34.6

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

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