# DSA-6084-1: c-ares security update

DSA-6084-1, released December 18, 2025, fixes 1 CVE in c-ares (version 1.34.5-1+deb13u1). None of them is reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/fix/linux/dsa-6084-1
- Platform: Linux
- Released: Dec 18, 2025
- Priority: Routine (Closes CVE-2025-62408)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2025-62408

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [c-ares](https://patchblox.com/security/data/product/linux/c-ares.md) | Debian 13.5 (trixie) | 1.34.5-1+deb13u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2025-62408](https://patchblox.com/security/data/cve/CVE-2025-62408.md) | Routine | c-ares has a Use After Free vulnerability when connection is cleaned up after error | 5.9 | 0.0043 |  |

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Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo