# DSA-5304-1: xorg-server security update

DSA-5304-1, released December 20, 2022, fixes 1 CVE in xorg-server (version 2:1.20.11-1+deb11u4). 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-5304-1
- Platform: Linux
- Released: Dec 20, 2022
- Priority: High (Closes CVE-2022-4283, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2022-4283

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [xorg-server](https://patchblox.com/security/data/product/linux/xorg-server.md) | Debian 11.6 (bullseye) | 2:1.20.11-1+deb11u4 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2022-4283](https://patchblox.com/security/data/cve/CVE-2022-4283.md) | High | tigervnc: Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment... | 7.8 | 0.0108 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo