# libmodbus5 security updates

Patch Radar has 1 security fix for libmodbus5, closing 2 CVEs. The newest is libmodbus5 3.0.6-2+deb9u1build0.18.04.1 (3.0.6-2+deb9u1build0.18.04.1), released July 31, 2019.

- Web page: https://patchblox.com/security/product/linux/libmodbus5
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libmodbus5 3.0.6-2+deb9u1build0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libmodbus5-3.0.6-2-deb9u1build0.18.04.1.md) | Jul 31, 2019 | Ubuntu 18.04.6 LTS (bionic) 3.0.6-2+deb9u1build0.18.04.1 | Routine | 2 | 0 |

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Data as of 2026-11-06T17:00:54Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo