# lib32stdc++6 security updates

Patch Radar has 4 security fixes for lib32stdc++6, closing 3 CVEs. The newest security fix is lib32stdc++6 10.5.0-1ubuntu1~20.04.1+esm1, released September 12, 2023.

- Web page: https://patchblox.com/security/product/linux/lib32stdc-6
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [lib32stdc++6 10.5.0-1ubuntu1~20.04.1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-lib32stdc-6-10.5.0-1ubuntu1-20.04.1-esm1.md) | Sep 12, 2023 | Ubuntu 20.04 LTS (focal) 10.5.0-1ubuntu1~20.04.1+esm1 | Routine | 1 | 0 |
| [lib32stdc++6 12.3.0-1ubuntu1~22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-lib32stdc-6-12.3.0-1ubuntu1-22.04.2.md) | Sep 12, 2023 | Ubuntu 22.04.1 LTS (jammy) 12.3.0-1ubuntu1~22.04.2 | Routine | 1 | 0 |
| [lib32stdc++6 10.2.0-5ubuntu1~20.04](https://patchblox.com/security/data/fix/linux/ubuntu-focal-lib32stdc-6-10.2.0-5ubuntu1-20.04.md) | Jun 8, 2020 | Ubuntu 20.04 LTS (focal) 10.2.0-5ubuntu1~20.04 | High | 2 | 0 |
| [lib32stdc++6 8.3.0-26ubuntu1~18.04](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-lib32stdc-6-8.3.0-26ubuntu1-18.04.md) | Sep 2, 2019 | Ubuntu 18.04.6 LTS (bionic) 8.3.0-26ubuntu1~18.04 | High | 1 | 0 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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