# libunbound8 security updates

Patch Radar has 48 security fixes for libunbound8, closing 48 CVEs. The newest security fix is libunbound8 1.19.2-1ubuntu3.10, released October 6, 2026.

- Web page: https://patchblox.com/security/product/linux/libunbound8
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libunbound8 1.19.2-1ubuntu3.10](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu3.10.md) | Oct 6, 2026 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu3.10 | High | 2 | 0 |
| [libunbound8 1.13.1-1ubuntu5.16](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.16.md) | Oct 6, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.16 | High | 2 | 0 |
| [libunbound8 1.9.4-2ubuntu1.11+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.11-esm2.md) | Oct 6, 2026 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.11+esm2 | High | 2 | 0 |
| [libunbound8 1.24.2-1ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libunbound8-1.24.2-1ubuntu2.3.md) | Sep 16, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.24.2-1ubuntu2.3 | High | 2 | 0 |
| [libunbound8 1.24.2-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libunbound8-1.24.2-1ubuntu2.4.md) | Sep 16, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.24.2-1ubuntu2.4 | High | 8 | 0 |
| [libunbound8 1.13.1-1ubuntu5.17](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.17.md) | Sep 16, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.17 | High | 6 | 0 |
| [libunbound8 1.19.2-1ubuntu3.12](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu3.12.md) | Sep 16, 2026 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu3.12 | High | 6 | 0 |
| [libunbound8 1.9.4-2ubuntu1.11+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.11-esm3.md) | Sep 16, 2026 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.11+esm3 | High | 6 | 0 |
| [libunbound8 1.22.0-2ubuntu2.3](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libunbound8-1.22.0-2ubuntu2.3.md) | May 27, 2026 | Ubuntu 25.10 (questing) 1.22.0-2ubuntu2.3 | Urgent | 11 | 0 |
| [libunbound8 1.19.2-1ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu3.8.md) | May 27, 2026 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu3.8 | Urgent | 11 | 0 |
| [libunbound8 1.13.1-1ubuntu5.15](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.15.md) | May 27, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.15 | High | 7 | 0 |
| [libunbound8 1.24.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libunbound8-1.24.2-1ubuntu2.1.md) | May 19, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.24.2-1ubuntu2.1 | Urgent | 11 | 0 |
| [libunbound8 1.9.4-2ubuntu1.11+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.11-esm1.md) | May 19, 2026 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.11+esm1 | High | 3 | 0 |
| [libunbound8 1.16.2-1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libunbound8-1.16.2-1.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 1.16.2-1 | Routine | 2 | 0 |
| [libunbound8 1.22.0-1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libunbound8-1.22.0-1ubuntu1.2.md) | Jan 16, 2026 | Ubuntu 25.04 (plucky) 1.22.0-1ubuntu1.2 | Routine | 1 | 0 |
| [libunbound8 1.16.2-1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libunbound8-1.16.2-1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 1.16.2-1 | Routine | 2 | 0 |
| [libunbound8 1.20.0-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libunbound8-1.20.0-1ubuntu2.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 1.20.0-1ubuntu2.1 | Routine | 1 | 0 |
| [libunbound8 1.13.1-1ubuntu5.14](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.14.md) | Oct 22, 2025 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.14 | Routine | 1 | 0 |
| [libunbound8 1.19.2-1ubuntu3.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu3.7.md) | Oct 22, 2025 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu3.7 | Routine | 1 | 0 |
| [libunbound8 1.22.0-2ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libunbound8-1.22.0-2ubuntu2.2.md) | Oct 22, 2025 | Ubuntu 25.10 (questing) 1.22.0-2ubuntu2.2 | Routine | 1 | 0 |
| [libunbound8 1.24.2-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-libunbound8-1.24.2-1ubuntu1.md) | Oct 22, 2025 | Ubuntu 26.04.1 LTS (resolute) 1.24.2-1ubuntu1 | Routine | 1 | 0 |
| [libunbound8 1.22.0-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libunbound8-1.22.0-1ubuntu1.1.md) | Jul 17, 2025 | Ubuntu 25.04 (plucky) 1.22.0-1ubuntu1.1 | High | 1 | 0 |
| [libunbound8 1.13.1-1ubuntu5.11](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.11.md) | Jul 16, 2025 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.11 | High | 1 | 0 |
| [libunbound8 1.19.2-1ubuntu3.5](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu3.5.md) | Jul 16, 2025 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu3.5 | High | 1 | 0 |
| [libunbound8 1.22.0-2ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-libunbound8-1.22.0-2ubuntu1.md) | Jul 16, 2025 | Ubuntu 25.10 (questing) 1.22.0-2ubuntu1 | High | 1 | 0 |
| [libunbound8 1.13.1-1ubuntu5.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.8.md) | Oct 3, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.8 | Routine | 1 | 0 |
| [libunbound8 1.19.2-1ubuntu3.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu3.3.md) | Oct 3, 2024 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu3.3 | Routine | 1 | 0 |
| [libunbound8 1.9.4-2ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.9.md) | Oct 3, 2024 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.9 | Routine | 1 | 0 |
| [libunbound8 1.13.1-1ubuntu5.7](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.7.md) | Aug 12, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.7 | Routine | 2 | 0 |
| [libunbound8 1.19.2-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu3.2.md) | Aug 12, 2024 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu3.2 | Routine | 2 | 0 |
| [libunbound8 1.9.4-2ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.8.md) | Aug 12, 2024 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.8 | Routine | 2 | 0 |
| [libunbound8 1.20.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libunbound8-1.20.0-1ubuntu1.md) | May 10, 2024 | Ubuntu 24.10 (oracular) 1.20.0-1ubuntu1 | High | 1 | 0 |
| [libunbound8 1.20.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libunbound8-1.20.0-1ubuntu1.md) | May 10, 2024 | Ubuntu 25.04 (plucky) 1.20.0-1ubuntu1 | High | 1 | 0 |
| [libunbound8 1.13.1-1ubuntu5.5](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.5.md) | May 9, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.5 | High | 1 | 0 |
| [libunbound8 1.19.2-1ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu3.1.md) | May 9, 2024 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu3.1 | High | 1 | 0 |
| [libunbound8 1.9.4-2ubuntu1.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.6.md) | May 9, 2024 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.6 | High | 1 | 0 |
| [libunbound8 1.19.2-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.2-1ubuntu1.md) | Mar 7, 2024 | Ubuntu 24.04.5 LTS (noble) 1.19.2-1ubuntu1 | High | 1 | 0 |
| [libunbound8 1.19.1-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-libunbound8-1.19.1-1ubuntu1.md) | Feb 13, 2024 | Ubuntu 24.10 (oracular) 1.19.1-1ubuntu1 | High | 2 | 0 |
| [libunbound8 1.19.1-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-libunbound8-1.19.1-1ubuntu1.md) | Feb 13, 2024 | Ubuntu 25.04 (plucky) 1.19.1-1ubuntu1 | High | 2 | 0 |
| [libunbound8 1.13.1-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.4.md) | Feb 12, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.4 | High | 2 | 0 |
| [libunbound8 1.19.1-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libunbound8-1.19.1-1ubuntu1.md) | Feb 12, 2024 | Ubuntu 24.04.5 LTS (noble) 1.19.1-1ubuntu1 | High | 2 | 0 |
| [libunbound8 1.9.4-2ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.5.md) | Feb 12, 2024 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.5 | High | 2 | 0 |
| [libunbound8 1.13.1-1ubuntu5.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.3.md) | Sep 26, 2022 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.3 | High | 1 | 0 |
| [libunbound8 1.9.4-2ubuntu1.4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.4.md) | Sep 26, 2022 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.4 | High | 1 | 0 |
| [libunbound8 1.13.1-1ubuntu5.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libunbound8-1.13.1-1ubuntu5.1.md) | Aug 1, 2022 | Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.1 | Routine | 2 | 0 |
| [libunbound8 1.9.4-2ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.3.md) | Aug 1, 2022 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.3 | Routine | 2 | 0 |
| [libunbound8 1.9.4-2ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.2.md) | Apr 26, 2021 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.2 | High | 13 | 0 |
| [libunbound8 1.9.4-2ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libunbound8-1.9.4-2ubuntu1.1.md) | May 19, 2020 | Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.1 | High | 2 | 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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