# DSA-5203-1: gnutls28 security update

DSA-5203-1, released August 8, 2022, fixes 1 CVE in gnutls28 (version 3.7.1-5+deb11u2). None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dsa-5203-1
- Platform: Linux
- Released: Aug 8, 2022
- Priority: High (Closes CVE-2022-2509, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2022-2509

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [gnutls28](https://patchblox.com/security/data/product/linux/gnutls28.md) | Debian 11.6 (bullseye) | 3.7.1-5+deb11u2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-2509](https://patchblox.com/security/data/cve/CVE-2022-2509.md) | High | gnutls: The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorit... | 7.5 | 0.0227 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo