# libvncclient1 security updates

Patch Radar has 17 security fixes for libvncclient1, closing 36 CVEs. The newest is libvncclient1 0.9.15+dfsg-1ubuntu0.2 (0.9.15+dfsg-1ubuntu0.2), released July 3, 2026.

- Web page: https://patchblox.com/security/product/linux/libvncclient1
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libvncclient1 0.9.15+dfsg-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libvncclient1-0.9.15-dfsg-1ubuntu0.2.md) | Jul 3, 2026 | Ubuntu 25.10 (questing) 0.9.15+dfsg-1ubuntu0.2 | High | 1 | 0 |
| [libvncclient1 0.9.14+dfsg-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libvncclient1-0.9.14-dfsg-1ubuntu0.2.md) | Jul 3, 2026 | Ubuntu 24.04.5 LTS (noble) 0.9.14+dfsg-1ubuntu0.2 | High | 1 | 0 |
| [libvncclient1 0.9.13+dfsg-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libvncclient1-0.9.13-dfsg-3ubuntu0.2.md) | Jul 3, 2026 | Ubuntu 22.04.1 LTS (jammy) 0.9.13+dfsg-3ubuntu0.2 | High | 1 | 0 |
| [libvncclient1 0.9.15+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libvncclient1-0.9.15-dfsg-1ubuntu0.1.md) | Jun 24, 2026 | Ubuntu 25.10 (questing) 0.9.15+dfsg-1ubuntu0.1 | High | 3 | 0 |
| [libvncclient1 0.9.14+dfsg-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libvncclient1-0.9.14-dfsg-1ubuntu0.1.md) | Jun 24, 2026 | Ubuntu 24.04.5 LTS (noble) 0.9.14+dfsg-1ubuntu0.1 | High | 3 | 0 |
| [libvncclient1 0.9.13+dfsg-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libvncclient1-0.9.13-dfsg-3ubuntu0.1.md) | Jun 24, 2026 | Ubuntu 22.04.1 LTS (jammy) 0.9.13+dfsg-3ubuntu0.1 | High | 4 | 0 |
| [libvncclient1 0.9.15+dfsg-3ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libvncclient1-0.9.15-dfsg-3ubuntu0.2.md) | Jun 14, 2026 | Ubuntu 26.04.1 LTS (resolute) 0.9.15+dfsg-3ubuntu0.2 | High | 1 | 0 |
| [libvncclient1 0.9.15+dfsg-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libvncclient1-0.9.15-dfsg-3ubuntu0.1.md) | May 27, 2026 | Ubuntu 26.04.1 LTS (resolute) 0.9.15+dfsg-3ubuntu0.1 | High | 1 | 0 |
| [libvncclient1 0.9.11+dfsg-1ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvncclient1-0.9.11-dfsg-1ubuntu1.4.md) | Nov 12, 2020 | Ubuntu 18.04.6 LTS (bionic) 0.9.11+dfsg-1ubuntu1.4 | High | 1 | 0 |
| [libvncclient1 0.9.12+dfsg-9ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libvncclient1-0.9.12-dfsg-9ubuntu0.3.md) | Nov 12, 2020 | Ubuntu 20.04 LTS (focal) 0.9.12+dfsg-9ubuntu0.3 | High | 1 | 0 |
| [libvncclient1 0.9.11+dfsg-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvncclient1-0.9.11-dfsg-1ubuntu1.2.md) | Jun 30, 2020 | Ubuntu 18.04.6 LTS (bionic) 0.9.11+dfsg-1ubuntu1.2 | High | 5 | 0 |
| [libvncclient1 0.9.12+dfsg-9ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libvncclient1-0.9.12-dfsg-9ubuntu0.1.md) | Jun 30, 2020 | Ubuntu 20.04 LTS (focal) 0.9.12+dfsg-9ubuntu0.1 | High | 3 | 0 |
| [libvncclient1 0.9.11+dfsg-1ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvncclient1-0.9.11-dfsg-1ubuntu1.3.md) | Jun 17, 2020 | Ubuntu 18.04.6 LTS (bionic) 0.9.11+dfsg-1ubuntu1.3 | High | 11 | 0 |
| [libvncclient1 0.9.12+dfsg-9ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libvncclient1-0.9.12-dfsg-9ubuntu0.2.md) | Jun 17, 2020 | Ubuntu 20.04 LTS (focal) 0.9.12+dfsg-9ubuntu0.2 | High | 11 | 0 |
| [libvncclient1 0.9.11+dfsg-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libvncclient1-0.9.11-dfsg-1ubuntu1.1.md) | Jan 29, 2019 | Ubuntu 18.04.6 LTS (bionic) 0.9.11+dfsg-1ubuntu1.1 | Routine | 12 | 0 |
| [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 | Ubuntu 24.10 (oracular) 0.9.11+dfsg-1ubuntu1 | Routine | 1 | 0 |
| [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 | Ubuntu 25.04 (plucky) 0.9.11+dfsg-1ubuntu1 | Routine | 1 | 0 |

---

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