# lib64gcc1 security updates

Patch Radar has 3 security fixes for lib64gcc1, closing 3 CVEs. The newest is lib64gcc1 1:10.5.0-1ubuntu1~20.04.1+esm1 (1:10.5.0-1ubuntu1~20.04.1+esm1), released September 12, 2023.

- Web page: https://patchblox.com/security/product/linux/lib64gcc1
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [lib64gcc1 1:10.5.0-1ubuntu1~20.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-lib64gcc1-1-10.5.0-1ubuntu1-20.04.1-esm1.md) | Sep 12, 2023 | Ubuntu 20.04 LTS (focal) 1:10.5.0-1ubuntu1~20.04.1+esm1 | Routine | 1 | 0 |
| [lib64gcc1 1:10.2.0-5ubuntu1~20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-lib64gcc1-1-10.2.0-5ubuntu1-20.04.md) | Jun 8, 2020 | Ubuntu 20.04 LTS (focal) 1:10.2.0-5ubuntu1~20.04 | High | 2 | 0 |
| [lib64gcc1 1:8.3.0-26ubuntu1~18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-lib64gcc1-1-8.3.0-26ubuntu1-18.04.md) | Sep 2, 2019 | Ubuntu 18.04.6 LTS (bionic) 1:8.3.0-26ubuntu1~18.04 | High | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo