# CVE-2015-0255: xnest: X.Org Server (aka xserver and xorg-server) before 1.16.3 and 1.17.x before1.17.1 allows remote attackers to obtain se...

CVE-2015-0255 is fixed in 7 products on 1 platform, first by xnest 2:1.16.2.901-1ubuntu4, released February 11, 2015. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2015-0255
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0433
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 11, 2015

## Description

X.Org Server (aka xserver and xorg-server) before 1.16.3 and 1.17.x before1.17.1 allows remote attackers to obtain sensitive information from processmemory or cause a denial of service (crash) via a crafted string lengthvalue in a XkbSetGeometry request.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | xnest Ubuntu 24.10 (oracular) | 2:1.16.2.901-1ubuntu4 | [xnest 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-xnest-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xnest Ubuntu 25.04 (plucky) | 2:1.16.2.901-1ubuntu4 | [xnest 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-xnest-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xorg-server-source Ubuntu 24.10 (oracular) | 2:1.16.2.901-1ubuntu4 | [xorg-server-source 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-xorg-server-source-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xorg-server-source Ubuntu 25.04 (plucky) | 2:1.16.2.901-1ubuntu4 | [xorg-server-source 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-xorg-server-source-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xserver-common Ubuntu 24.10 (oracular) | 2:1.16.2.901-1ubuntu4 | [xserver-common 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-xserver-common-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xserver-common Ubuntu 25.04 (plucky) | 2:1.16.2.901-1ubuntu4 | [xserver-common 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-xserver-common-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xserver-xephyr Ubuntu 24.10 (oracular) | 2:1.16.2.901-1ubuntu4 | [xserver-xephyr 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-xserver-xephyr-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xserver-xephyr Ubuntu 25.04 (plucky) | 2:1.16.2.901-1ubuntu4 | [xserver-xephyr 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-xserver-xephyr-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xserver-xorg-core Ubuntu 24.10 (oracular) | 2:1.16.2.901-1ubuntu4 | [xserver-xorg-core 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-xserver-xorg-core-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xserver-xorg-core Ubuntu 25.04 (plucky) | 2:1.16.2.901-1ubuntu4 | [xserver-xorg-core 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-xserver-xorg-core-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xserver-xorg-legacy Ubuntu 24.10 (oracular) | 2:1.16.2.901-1ubuntu4 | [xserver-xorg-legacy 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-xserver-xorg-legacy-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xserver-xorg-legacy Ubuntu 25.04 (plucky) | 2:1.16.2.901-1ubuntu4 | [xserver-xorg-legacy 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-xserver-xorg-legacy-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xvfb Ubuntu 24.10 (oracular) | 2:1.16.2.901-1ubuntu4 | [xvfb 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-xvfb-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |
| Linux | xvfb Ubuntu 25.04 (plucky) | 2:1.16.2.901-1ubuntu4 | [xvfb 2:1.16.2.901-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-xvfb-2-1.16.2.901-1ubuntu4.md) | Feb 11, 2015 |

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Data as of 2026-11-07T12:40:37Z 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