# charon-systemd security updates

Patch Radar has 40 security fixes for charon-systemd, closing 32 CVEs. The newest security fix is charon-systemd 5.9.13-2ubuntu4.24.04.5, released September 22, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [charon-systemd 5.9.13-2ubuntu4.24.04.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-charon-systemd-5.9.13-2ubuntu4.24.04.5.md) | Sep 22, 2026 | Ubuntu 24.04.5 LTS (noble) 5.9.13-2ubuntu4.24.04.5 | High | 10 | 0 |
| [charon-systemd 5.9.5-2ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.8.md) | Sep 22, 2026 | Ubuntu 22.04.1 LTS (jammy) 5.9.5-2ubuntu2.8 | High | 10 | 0 |
| [charon-systemd 6.0.4-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-charon-systemd-6.0.4-1ubuntu3.2.md) | Sep 7, 2026 | Ubuntu 26.04.1 LTS (resolute) 6.0.4-1ubuntu3.2 | High | 11 | 0 |
| [charon-systemd 6.0.1-6ubuntu4.4](https://patchblox.com/security/data/fix/linux/ubuntu-questing-charon-systemd-6.0.1-6ubuntu4.4.md) | Jun 24, 2026 | Ubuntu 25.10 (questing) 6.0.1-6ubuntu4.4 | High | 1 | 0 |
| [charon-systemd 5.9.13-2ubuntu4.24.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-charon-systemd-5.9.13-2ubuntu4.24.04.4.md) | Jun 24, 2026 | Ubuntu 24.04.5 LTS (noble) 5.9.13-2ubuntu4.24.04.4 | High | 1 | 0 |
| [charon-systemd 5.9.5-2ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.7.md) | Jun 24, 2026 | Ubuntu 22.04.1 LTS (jammy) 5.9.5-2ubuntu2.7 | High | 1 | 0 |
| [charon-systemd 6.0.4-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-charon-systemd-6.0.4-1ubuntu3.1.md) | Jun 8, 2026 | Ubuntu 26.04.1 LTS (resolute) 6.0.4-1ubuntu3.1 | High | 1 | 0 |
| [charon-systemd 6.0.1-6ubuntu4.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-charon-systemd-6.0.1-6ubuntu4.3.md) | Apr 30, 2026 | Ubuntu 25.10 (questing) 6.0.1-6ubuntu4.3 | Routine | 7 | 0 |
| [charon-systemd 5.9.13-2ubuntu4.24.04.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-charon-systemd-5.9.13-2ubuntu4.24.04.3.md) | Apr 30, 2026 | Ubuntu 24.04.5 LTS (noble) 5.9.13-2ubuntu4.24.04.3 | Routine | 7 | 0 |
| [charon-systemd 5.9.5-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.6.md) | Apr 30, 2026 | Ubuntu 22.04.1 LTS (jammy) 5.9.5-2ubuntu2.6 | Routine | 7 | 0 |
| [charon-systemd 6.0.4-1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-charon-systemd-6.0.4-1ubuntu3.md) | Apr 22, 2026 | Ubuntu 26.04.1 LTS (resolute) 6.0.4-1ubuntu3 | Routine | 7 | 0 |
| [charon-systemd 6.0.1-6ubuntu4.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-charon-systemd-6.0.1-6ubuntu4.2.md) | Apr 15, 2026 | Ubuntu 25.10 (questing) 6.0.1-6ubuntu4.2 | High | 1 | 0 |
| [charon-systemd 5.9.13-2ubuntu4.24.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-charon-systemd-5.9.13-2ubuntu4.24.04.2.md) | Apr 15, 2026 | Ubuntu 24.04.5 LTS (noble) 5.9.13-2ubuntu4.24.04.2 | High | 1 | 0 |
| [charon-systemd 5.9.5-2ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.5.md) | Apr 15, 2026 | Ubuntu 22.04.1 LTS (jammy) 5.9.5-2ubuntu2.5 | High | 1 | 0 |
| [charon-systemd 5.9.13-2ubuntu4.25.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-charon-systemd-5.9.13-2ubuntu4.25.04.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 5.9.13-2ubuntu4.25.04.1 | High | 1 | 0 |
| [charon-systemd 5.9.4-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-charon-systemd-5.9.4-1ubuntu4.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 5.9.4-1ubuntu4 | High | 1 | 0 |
| [charon-systemd 5.9.1-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-charon-systemd-5.9.1-1ubuntu3.1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 5.9.1-1ubuntu3.1 | Routine | 2 | 0 |
| [charon-systemd 5.9.4-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-charon-systemd-5.9.4-1ubuntu4.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 5.9.4-1ubuntu4 | High | 1 | 0 |
| [charon-systemd 5.9.1-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-charon-systemd-5.9.1-1ubuntu3.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 5.9.1-1ubuntu3.1 | Routine | 2 | 0 |
| [charon-systemd 5.9.13-2ubuntu4.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-charon-systemd-5.9.13-2ubuntu4.24.04.1.md) | Oct 27, 2025 | Ubuntu 24.04.5 LTS (noble) 5.9.13-2ubuntu4.24.04.1 | High | 1 | 0 |
| [charon-systemd 5.9.5-2ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.4.md) | Oct 27, 2025 | Ubuntu 22.04.1 LTS (jammy) 5.9.5-2ubuntu2.4 | High | 1 | 0 |
| [charon-systemd 6.0.1-6ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-charon-systemd-6.0.1-6ubuntu4.1.md) | Oct 27, 2025 | Ubuntu 25.10 (questing) 6.0.1-6ubuntu4.1 | High | 1 | 0 |
| [charon-systemd 6.0.1-6ubuntu5](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-charon-systemd-6.0.1-6ubuntu5.md) | Oct 27, 2025 | Ubuntu 26.04.1 LTS (resolute) 6.0.1-6ubuntu5 | High | 1 | 0 |
| [charon-systemd 5.9.5-2ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.3.md) | May 13, 2024 | Ubuntu 22.04.1 LTS (jammy) 5.9.5-2ubuntu2.3 | Routine | 1 | 0 |
| [charon-systemd 5.6.2-1ubuntu2.9+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-charon-systemd-5.6.2-1ubuntu2.9-esm1.md) | Nov 20, 2023 | Ubuntu 18.04.6 LTS (bionic) 5.6.2-1ubuntu2.9+esm1 | Urgent | 1 | 0 |
| [charon-systemd 5.8.2-1ubuntu3.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-charon-systemd-5.8.2-1ubuntu3.6.md) | Nov 20, 2023 | Ubuntu 20.04 LTS (focal) 5.8.2-1ubuntu3.6 | Urgent | 1 | 0 |
| [charon-systemd 5.9.5-2ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.2.md) | Nov 20, 2023 | Ubuntu 22.04.1 LTS (jammy) 5.9.5-2ubuntu2.2 | Urgent | 1 | 0 |
| [charon-systemd 5.9.6-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-charon-systemd-5.9.6-1ubuntu2.md) | Oct 3, 2022 | Ubuntu 24.10 (oracular) 5.9.6-1ubuntu2 | High | 1 | 0 |
| [charon-systemd 5.9.6-1ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-charon-systemd-5.9.6-1ubuntu2.md) | Oct 3, 2022 | Ubuntu 25.04 (plucky) 5.9.6-1ubuntu2 | High | 1 | 0 |
| [charon-systemd 5.6.2-1ubuntu2.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-charon-systemd-5.6.2-1ubuntu2.9.md) | Oct 2, 2022 | Ubuntu 18.04.6 LTS (bionic) 5.6.2-1ubuntu2.9 | High | 1 | 0 |
| [charon-systemd 5.8.2-1ubuntu3.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-charon-systemd-5.8.2-1ubuntu3.5.md) | Oct 2, 2022 | Ubuntu 20.04 LTS (focal) 5.8.2-1ubuntu3.5 | High | 1 | 0 |
| [charon-systemd 5.9.5-2ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.5-2ubuntu2.1.md) | Oct 2, 2022 | Ubuntu 22.04.1 LTS (jammy) 5.9.5-2ubuntu2.1 | High | 1 | 0 |
| [charon-systemd 5.6.2-1ubuntu2.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-charon-systemd-5.6.2-1ubuntu2.8.md) | Jan 24, 2022 | Ubuntu 18.04.6 LTS (bionic) 5.6.2-1ubuntu2.8 | High | 1 | 0 |
| [charon-systemd 5.8.2-1ubuntu3.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-charon-systemd-5.8.2-1ubuntu3.4.md) | Jan 24, 2022 | Ubuntu 20.04 LTS (focal) 5.8.2-1ubuntu3.4 | High | 1 | 0 |
| [charon-systemd 5.9.4-1ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.4-1ubuntu4.md) | Jan 24, 2022 | Ubuntu 22.04.1 LTS (jammy) 5.9.4-1ubuntu4 | High | 1 | 0 |
| [charon-systemd 5.6.2-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-charon-systemd-5.6.2-1ubuntu2.7.md) | Oct 18, 2021 | Ubuntu 18.04.6 LTS (bionic) 5.6.2-1ubuntu2.7 | Routine | 2 | 0 |
| [charon-systemd 5.8.2-1ubuntu3.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-charon-systemd-5.8.2-1ubuntu3.3.md) | Oct 18, 2021 | Ubuntu 20.04 LTS (focal) 5.8.2-1ubuntu3.3 | Routine | 2 | 0 |
| [charon-systemd 5.9.1-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-charon-systemd-5.9.1-1ubuntu3.1.md) | Oct 18, 2021 | Ubuntu 22.04.1 LTS (jammy) 5.9.1-1ubuntu3.1 | Routine | 2 | 0 |
| [charon-systemd 5.6.2-1ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-charon-systemd-5.6.2-1ubuntu2.3.md) | Oct 1, 2018 | Ubuntu 18.04.6 LTS (bionic) 5.6.2-1ubuntu2.3 | Routine | 1 | 0 |
| [charon-systemd 5.6.2-1ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-charon-systemd-5.6.2-1ubuntu2.2.md) | Sep 24, 2018 | Ubuntu 18.04.6 LTS (bionic) 5.6.2-1ubuntu2.2 | Routine | 4 | 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.