# nghttp2-client security updates

Patch Radar has 19 security fixes for nghttp2-client, closing 8 CVEs, 1 of which is being exploited. The newest is nghttp2-client 1.64.0-1.1ubuntu1.2 (1.64.0-1.1ubuntu1.2), released July 3, 2026.

- Web page: https://patchblox.com/security/product/linux/nghttp2-client
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [nghttp2-client 1.64.0-1.1ubuntu1.2](https://patchblox.com/security/data/fix/linux/ubuntu-questing-nghttp2-client-1.64.0-1.1ubuntu1.2.md) | Jul 3, 2026 | Ubuntu 25.10 (questing) 1.64.0-1.1ubuntu1.2 | Routine | 1 | 0 |
| [nghttp2-client 1.59.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-nghttp2-client-1.59.0-1ubuntu0.4.md) | Jul 3, 2026 | Ubuntu 24.04.5 LTS (noble) 1.59.0-1ubuntu0.4 | Routine | 1 | 0 |
| [nghttp2-client 1.43.0-1ubuntu0.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nghttp2-client-1.43.0-1ubuntu0.4.md) | Jul 3, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.43.0-1ubuntu0.4 | Routine | 1 | 0 |
| [nghttp2-client 1.68.0-2ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-nghttp2-client-1.68.0-2ubuntu0.2.md) | Jun 27, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.68.0-2ubuntu0.2 | Routine | 1 | 0 |
| [nghttp2-client 1.30.0-1ubuntu1+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nghttp2-client-1.30.0-1ubuntu1-esm3.md) | Mar 18, 2026 | Ubuntu 18.04.6 LTS (bionic) 1.30.0-1ubuntu1+esm3 | High | 1 | 0 |
| [nghttp2-client 1.40.0-1ubuntu0.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nghttp2-client-1.40.0-1ubuntu0.3-esm1.md) | Mar 18, 2026 | Ubuntu 20.04 LTS (focal) 1.40.0-1ubuntu0.3+esm1 | High | 1 | 0 |
| [nghttp2-client 1.43.0-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nghttp2-client-1.43.0-1ubuntu0.3.md) | Mar 18, 2026 | Ubuntu 22.04.1 LTS (jammy) 1.43.0-1ubuntu0.3 | High | 1 | 0 |
| [nghttp2-client 1.59.0-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-noble-nghttp2-client-1.59.0-1ubuntu0.3.md) | Mar 18, 2026 | Ubuntu 24.04.5 LTS (noble) 1.59.0-1ubuntu0.3 | High | 1 | 0 |
| [nghttp2-client 1.64.0-1.1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-nghttp2-client-1.64.0-1.1ubuntu1.1.md) | Mar 18, 2026 | Ubuntu 25.10 (questing) 1.64.0-1.1ubuntu1.1 | High | 1 | 0 |
| [nghttp2-client 1.68.0-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-nghttp2-client-1.68.0-2ubuntu0.1.md) | Mar 18, 2026 | Ubuntu 26.04.1 LTS (resolute) 1.68.0-2ubuntu0.1 | High | 1 | 0 |
| [nghttp2-client 1.30.0-1ubuntu1+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nghttp2-client-1.30.0-1ubuntu1-esm2.md) | Apr 4, 2024 | Ubuntu 18.04.6 LTS (bionic) 1.30.0-1ubuntu1+esm2 | Patch now | 4 | 1 |
| [nghttp2-client 1.40.0-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nghttp2-client-1.40.0-1ubuntu0.3.md) | Apr 4, 2024 | Ubuntu 20.04 LTS (focal) 1.40.0-1ubuntu0.3 | High | 1 | 0 |
| [nghttp2-client 1.43.0-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nghttp2-client-1.43.0-1ubuntu0.2.md) | Apr 4, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.43.0-1ubuntu0.2 | High | 1 | 0 |
| [nghttp2-client 1.59.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-nghttp2-client-1.59.0-1ubuntu0.1.md) | Apr 4, 2024 | Ubuntu 24.04.5 LTS (noble) 1.59.0-1ubuntu0.1 | High | 1 | 0 |
| [nghttp2-client 1.40.0-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nghttp2-client-1.40.0-1ubuntu0.2.md) | Oct 9, 2023 | Ubuntu 20.04 LTS (focal) 1.40.0-1ubuntu0.2 | Patch now | 1 | 1 |
| [nghttp2-client 1.43.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nghttp2-client-1.43.0-1ubuntu0.1.md) | Oct 9, 2023 | Ubuntu 22.04.1 LTS (jammy) 1.43.0-1ubuntu0.1 | Patch now | 1 | 1 |
| [nghttp2-client 1.30.0-1ubuntu1+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nghttp2-client-1.30.0-1ubuntu1-esm1.md) | Jun 3, 2020 | Ubuntu 18.04.6 LTS (bionic) 1.30.0-1ubuntu1+esm1 | High | 1 | 0 |
| [nghttp2-client 1.40.0-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-nghttp2-client-1.40.0-1ubuntu0.1.md) | Jun 3, 2020 | Ubuntu 20.04 LTS (focal) 1.40.0-1ubuntu0.1 | High | 1 | 0 |
| [nghttp2-client 1.30.0-1ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-nghttp2-client-1.30.0-1ubuntu1.md) | Apr 12, 2018 | Ubuntu 18.04.6 LTS (bionic) 1.30.0-1ubuntu1 | High | 1 | 0 |

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Data as of 2026-11-07T06:34:28Z 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