# ngtcp2-client security updates

Patch Radar has 3 security fixes for ngtcp2-client, closing 1 CVE. The newest is ngtcp2-client 0.1.0+dfsg-1ubuntu0.1~esm1 (0.1.0+dfsg-1ubuntu0.1~esm1), released April 16, 2026.

- Web page: https://patchblox.com/security/product/linux/ngtcp2-client
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [ngtcp2-client 0.1.0+dfsg-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-ngtcp2-client-0.1.0-dfsg-1ubuntu0.1-esm1.md) | Apr 16, 2026 | Ubuntu 22.04.1 LTS (jammy) 0.1.0+dfsg-1ubuntu0.1~esm1 | High | 1 | 0 |
| [ngtcp2-client 0.12.1+dfsg-1+deb12u1build0.24.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-ngtcp2-client-0.12.1-dfsg-1-deb12u1build0.24.04.1.md) | Apr 16, 2026 | Ubuntu 24.04.5 LTS (noble) 0.12.1+dfsg-1+deb12u1build0.24.04.1 | High | 1 | 0 |
| [ngtcp2-client 1.11.0-1+deb13u1build0.25.10.1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-ngtcp2-client-1.11.0-1-deb13u1build0.25.10.1.md) | Apr 16, 2026 | Ubuntu 25.10 (questing) 1.11.0-1+deb13u1build0.25.10.1 | 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo