# CVE-2018-7225: libvncclient1: An issue was discovered in LibVNCServer through 0.9.11.rfbProcessClientNormalMessage() in rfbserver.c does not saniti...

CVE-2018-7225 is fixed in 7 products on 1 platform, first by libvncclient1 0.9.11+dfsg-1ubuntu1, released February 19, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-7225
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0611
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 18, 2018

## Description

An issue was discovered in LibVNCServer through 0.9.11.rfbProcessClientNormalMessage() in rfbserver.c does not sanitizemsg.cct.length, leading to access to uninitialized and potentiallysensitive data or possibly unspecified other impact (e.g., an integeroverflow) via specially crafted VNC packets.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | italc-client Ubuntu 18.04.6 LTS (bionic) | 1:3.0.3+dfsg1-3ubuntu0.1 | [italc-client 1:3.0.3+dfsg1-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-italc-client-1-3.0.3-dfsg1-3ubuntu0.1.md) | Oct 29, 2019 |
| Linux | italc-management-console Ubuntu 18.04.6 LTS (bionic) | 1:3.0.3+dfsg1-3ubuntu0.1 | [italc-management-console 1:3.0.3+dfsg1-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-italc-management-console-1-3.0.3-dfsg1-3ubuntu0.1.md) | Oct 29, 2019 |
| Linux | italc-master Ubuntu 18.04.6 LTS (bionic) | 1:3.0.3+dfsg1-3ubuntu0.1 | [italc-master 1:3.0.3+dfsg1-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-italc-master-1-3.0.3-dfsg1-3ubuntu0.1.md) | Oct 29, 2019 |
| Linux | libitalccore Ubuntu 18.04.6 LTS (bionic) | 1:3.0.3+dfsg1-3ubuntu0.1 | [libitalccore 1:3.0.3+dfsg1-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libitalccore-1-3.0.3-dfsg1-3ubuntu0.1.md) | Oct 29, 2019 |
| Linux | libvncclient1 Ubuntu 24.10 (oracular) | 0.9.11+dfsg-1ubuntu1 | [libvncclient1 0.9.11+dfsg-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libvncclient1-0.9.11-dfsg-1ubuntu1.md) | Feb 19, 2018 |
| Linux | libvncclient1 Ubuntu 25.04 (plucky) | 0.9.11+dfsg-1ubuntu1 | [libvncclient1 0.9.11+dfsg-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libvncclient1-0.9.11-dfsg-1ubuntu1.md) | Feb 19, 2018 |
| Linux | libvncserver1 Ubuntu 24.10 (oracular) | 0.9.11+dfsg-1ubuntu1 | [libvncserver1 0.9.11+dfsg-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libvncserver1-0.9.11-dfsg-1ubuntu1.md) | Feb 19, 2018 |
| Linux | libvncserver1 Ubuntu 25.04 (plucky) | 0.9.11+dfsg-1ubuntu1 | [libvncserver1 0.9.11+dfsg-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libvncserver1-0.9.11-dfsg-1ubuntu1.md) | Feb 19, 2018 |
| Linux | vino Ubuntu 18.04.6 LTS (bionic) | 3.22.0-3ubuntu1.1 | [vino 3.22.0-3ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-vino-3.22.0-3ubuntu1.1.md) | Jun 17, 2020 |
| Linux | vino Ubuntu 20.04 LTS (focal) | 3.22.0-5ubuntu2.1 | [vino 3.22.0-5ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-vino-3.22.0-5ubuntu2.1.md) | Jun 17, 2020 |
| Linux | vino Ubuntu 24.10 (oracular) | 3.22.0-6ubuntu1 | [vino 3.22.0-6ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-vino-3.22.0-6ubuntu1.md) | Feb 19, 2018 |
| Linux | vino Ubuntu 25.04 (plucky) | 3.22.0-6ubuntu1 | [vino 3.22.0-6ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-vino-3.22.0-6ubuntu1.md) | Feb 19, 2018 |

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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