# pacemaker security updates

Patch Radar has 8 security fixes for pacemaker, closing 5 CVEs. The newest is RHSA-2026:39323 (0:2.1.10-3.el9_8), released July 18, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [RHSA-2026:39323](https://patchblox.com/security/data/fix/linux/rhsa-2026-39323.md) | Jul 18, 2026 | RHEL 9 0:2.1.10-3.el9_8 | High | 1 | 0 |
| [RHSA-2026:39322](https://patchblox.com/security/data/fix/linux/rhsa-2026-39322.md) | Jul 18, 2026 | RHEL 8 0:2.1.7-5.6.el8_10 | High | 1 | 0 |
| [RHSA-2026:41041](https://patchblox.com/security/data/fix/linux/rhsa-2026-41041.md) | Jun 16, 2026 | RHEL 10 3.0.0-5.3.el10_0 | High | 1 | 0 |
| [RHSA-2020:5487](https://patchblox.com/security/data/fix/linux/rhsa-2020-5487.md) | Dec 15, 2020 | RHEL 8 0:2.0.4-6.el8_3.1 | High | 1 | 0 |
| [pacemaker 1.1.18-0ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pacemaker-1.1.18-0ubuntu1.3.md) | Oct 26, 2020 | Ubuntu 18.04.6 LTS (bionic) 1.1.18-0ubuntu1.3 | High | 1 | 0 |
| [pacemaker 2.0.3-3ubuntu4.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-pacemaker-2.0.3-3ubuntu4.1.md) | Oct 26, 2020 | Ubuntu 20.04 LTS (focal) 2.0.3-3ubuntu4.1 | High | 1 | 0 |
| [RHSA-2019:1279](https://patchblox.com/security/data/fix/linux/rhsa-2019-1279.md) | May 27, 2019 | RHEL 8 0:2.0.1-4.el8_0.3 | High | 3 | 0 |
| [pacemaker 1.1.18-0ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-pacemaker-1.1.18-0ubuntu1.1.md) | Apr 16, 2019 | Ubuntu 18.04.6 LTS (bionic) 1.1.18-0ubuntu1.1 | High | 3 | 0 |

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Data as of 2026-11-07T00:32:44Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo