# libprotoc23 security updates

Patch Radar has 4 security fixes for libprotoc23, closing 6 CVEs. The newest is libprotoc23 3.12.4-1ubuntu7.22.04.6 (3.12.4-1ubuntu7.22.04.6), released January 23, 2026.

- Web page: https://patchblox.com/security/product/linux/libprotoc23
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libprotoc23 3.12.4-1ubuntu7.22.04.6](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libprotoc23-3.12.4-1ubuntu7.22.04.6.md) | Jan 23, 2026 | Ubuntu 22.04.1 LTS (jammy) 3.12.4-1ubuntu7.22.04.6 | High | 1 | 0 |
| [libprotoc23 3.12.4-1ubuntu7.22.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libprotoc23-3.12.4-1ubuntu7.22.04.4.md) | Jun 16, 2025 | Ubuntu 22.04.1 LTS (jammy) 3.12.4-1ubuntu7.22.04.4 | Routine | 1 | 0 |
| [libprotoc23 3.12.4-1ubuntu7.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libprotoc23-3.12.4-1ubuntu7.22.04.2.md) | Sep 18, 2024 | Ubuntu 22.04.1 LTS (jammy) 3.12.4-1ubuntu7.22.04.2 | High | 1 | 0 |
| [libprotoc23 3.12.4-1ubuntu7.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libprotoc23-3.12.4-1ubuntu7.22.04.1.md) | Sep 22, 2022 | Ubuntu 22.04.1 LTS (jammy) 3.12.4-1ubuntu7.22.04.1 | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo