# keystone-common security updates

Patch Radar has 13 security fixes for keystone-common, closing 13 CVEs. The newest security fix is keystone-common 2:17.0.1-0ubuntu2+esm2, released August 26, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [keystone-common 2:17.0.1-0ubuntu2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-keystone-common-2-17.0.1-0ubuntu2-esm2.md) | Aug 26, 2026 | Ubuntu 20.04 LTS (focal) 2:17.0.1-0ubuntu2+esm2 | Routine | 3 | 0 |
| [keystone-common 2:21.0.1-0ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-keystone-common-2-21.0.1-0ubuntu2.6.md) | Aug 26, 2026 | Ubuntu 22.04.1 LTS (jammy) 2:21.0.1-0ubuntu2.6 | Routine | 3 | 0 |
| [keystone-common 2:25.0.0-0ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-noble-keystone-common-2-25.0.0-0ubuntu1.6.md) | Aug 26, 2026 | Ubuntu 24.04.5 LTS (noble) 2:25.0.0-0ubuntu1.6 | Routine | 3 | 0 |
| [keystone-common 2:29.0.0-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-keystone-common-2-29.0.0-0ubuntu1.4.md) | Aug 26, 2026 | Ubuntu 26.04.1 LTS (resolute) 2:29.0.0-0ubuntu1.4 | Routine | 3 | 0 |
| [keystone-common 2:28.0.0-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-keystone-common-2-28.0.0-0ubuntu1.3.md) | Jun 24, 2026 | Ubuntu 25.10 (questing) 2:28.0.0-0ubuntu1.3 | High | 7 | 0 |
| [keystone-common 2:25.0.0-0ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-keystone-common-2-25.0.0-0ubuntu1.4.md) | Jun 24, 2026 | Ubuntu 24.04.5 LTS (noble) 2:25.0.0-0ubuntu1.4 | High | 7 | 0 |
| [keystone-common 2:21.0.1-0ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-keystone-common-2-21.0.1-0ubuntu2.4.md) | Jun 24, 2026 | Ubuntu 22.04.1 LTS (jammy) 2:21.0.1-0ubuntu2.4 | High | 7 | 0 |
| [keystone-common 2:29.0.0-0ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-keystone-common-2-29.0.0-0ubuntu1.2.md) | May 28, 2026 | Ubuntu 26.04.1 LTS (resolute) 2:29.0.0-0ubuntu1.2 | High | 6 | 0 |
| [keystone-common 2:27.0.0-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-keystone-common-2-27.0.0-0ubuntu1.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 2:27.0.0-0ubuntu1.1 | High | 1 | 0 |
| [keystone-common 2:21.0.1-0ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-keystone-common-2-21.0.1-0ubuntu2.1.md) | Nov 4, 2025 | Ubuntu 22.04.1 LTS (jammy) 2:21.0.1-0ubuntu2.1 | High | 3 | 0 |
| [keystone-common 2:25.0.0-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-keystone-common-2-25.0.0-0ubuntu1.1.md) | Nov 4, 2025 | Ubuntu 24.04.5 LTS (noble) 2:25.0.0-0ubuntu1.1 | High | 1 | 0 |
| [keystone-common 2:28.0.0-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-keystone-common-2-28.0.0-0ubuntu1.1.md) | Nov 4, 2025 | Ubuntu 25.10 (questing) 2:28.0.0-0ubuntu1.1 | High | 1 | 0 |
| [keystone-common 2:28.0.0-0ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-keystone-common-2-28.0.0-0ubuntu2.md) | Nov 4, 2025 | Ubuntu 26.04.1 LTS (resolute) 2:28.0.0-0ubuntu2 | High | 1 | 0 |

---

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

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.