# python-unbound security updates

Patch Radar has 21 security fixes for python-unbound, closing 36 CVEs. The newest is python-unbound 1.9.4-2ubuntu1.11+esm2 (1.9.4-2ubuntu1.11+esm2), released October 6, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [python-unbound 1.9.4-2ubuntu1.11+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.11-esm2.md) | Oct 6, 2026 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.11+esm2 | High | 2 | 0 |
| [python-unbound 1.6.7-1ubuntu2.6+esm5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.6-esm5.md) | Oct 6, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.6+esm5 | High | 2 | 0 |
| [python-unbound 1.6.7-1ubuntu2.6+esm6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.6-esm6.md) | Sep 16, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.6+esm6 | High | 6 | 0 |
| [python-unbound 1.9.4-2ubuntu1.11+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.11-esm3.md) | Sep 16, 2026 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.11+esm3 | High | 6 | 0 |
| [python-unbound 1.6.7-1ubuntu2.6+esm4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.6-esm4.md) | May 19, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.6+esm4 | High | 3 | 0 |
| [python-unbound 1.9.4-2ubuntu1.11+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.11-esm1.md) | May 19, 2026 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.11+esm1 | High | 3 | 0 |
| [python-unbound 1.6.7-1ubuntu2.6+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.6-esm3.md) | Oct 3, 2024 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.6+esm3 | Routine | 1 | 0 |
| [python-unbound 1.9.4-2ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.9.md) | Oct 3, 2024 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.9 | Routine | 1 | 0 |
| [python-unbound 1.6.7-1ubuntu2.6+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.6-esm2.md) | Aug 12, 2024 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.6+esm2 | Routine | 2 | 0 |
| [python-unbound 1.9.4-2ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.8.md) | Aug 12, 2024 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.8 | Routine | 2 | 0 |
| [python-unbound 1.9.4-2ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.6.md) | May 9, 2024 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.6 | High | 1 | 0 |
| [python-unbound 1.9.4-2ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.5.md) | Feb 12, 2024 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.5 | High | 2 | 0 |
| [python-unbound 1.6.7-1ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.6.md) | Sep 26, 2022 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.6 | High | 1 | 0 |
| [python-unbound 1.9.4-2ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.4.md) | Sep 26, 2022 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.4 | High | 1 | 0 |
| [python-unbound 1.6.7-1ubuntu2.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.5.md) | Aug 1, 2022 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.5 | Routine | 2 | 0 |
| [python-unbound 1.9.4-2ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.3.md) | Aug 1, 2022 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.3 | Routine | 2 | 0 |
| [python-unbound 1.6.7-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.4.md) | Apr 26, 2021 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.4 | High | 13 | 0 |
| [python-unbound 1.9.4-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.2.md) | Apr 26, 2021 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.2 | High | 13 | 0 |
| [python-unbound 1.6.7-1ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.3.md) | May 19, 2020 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.3 | High | 2 | 0 |
| [python-unbound 1.9.4-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python-unbound-1.9.4-2ubuntu1.1.md) | May 19, 2020 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.1 | High | 2 | 0 |
| [python-unbound 1.6.7-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-unbound-1.6.7-1ubuntu2.1.md) | Jan 22, 2018 | Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.1 | Routine | 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