CVE-2025-62408
c-ares - security update
5.9
MEDIUM
CVSS 3.1
EPSS 0.02%
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.
How to fix CVE-2025-62408
To remediate CVE-2025-62408, upgrade the affected package to a fixed version below.
- Alpine/c-ares—upgrade to 1.34.6-r0 or later
- —upgrade to 1.34.5-1+deb13u1 or later
- —upgrade to 1.34.5-1+deb13u1 or later
Is CVE-2025-62408 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 1.34.6-r0
- from 0, < 1.34.5-1+deb13u1
- from 0, < 1.34.5-1+deb13u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |