# libtsan security updates

Patch Radar has 6 security fixes for libtsan, closing 6 CVEs, 1 of which is being exploited. The newest is RHSA-2026:89830 (0:8.5.0-30.el8_10), released October 27, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [RHSA-2026:89830](https://patchblox.com/security/data/fix/linux/rhsa-2026-89830.md) | Oct 27, 2026 | RHEL 8 0:8.5.0-30.el8_10 | High | 2 | 0 |
| [RHSA-2025:1346](https://patchblox.com/security/data/fix/linux/rhsa-2025-1346.md) | Feb 12, 2025 | RHEL 9 0:11.5.0-5.el9_5 | Patch now | 1 | 1 |
| [RHSA-2025:1301](https://patchblox.com/security/data/fix/linux/rhsa-2025-1301.md) | Feb 11, 2025 | RHEL 8 0:8.5.0-23.el8_10 | Patch now | 1 | 1 |
| [RHSA-2021:4587](https://patchblox.com/security/data/fix/linux/rhsa-2021-4587.md) | Nov 10, 2021 | RHEL 8 0:8.5.0-4.el8_5 | High | 1 | 0 |
| [RHSA-2021:4386](https://patchblox.com/security/data/fix/linux/rhsa-2021-4386.md) | Nov 9, 2021 | RHEL 8 0:8.5.0-3.el8 | Routine | 1 | 0 |
| [RHSA-2020:1864](https://patchblox.com/security/data/fix/linux/rhsa-2020-1864.md) | Apr 28, 2020 | RHEL 8 0:8.3.1-5.el8 | High | 1 | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo