# libh2o-dev-common security updates

Patch Radar has 3 security fixes for libh2o-dev-common, closing 1 CVE, 1 of which is being exploited. The newest is libh2o-dev-common 2.2.4+dfsg-1ubuntu0.1~esm2 (2.2.4+dfsg-1ubuntu0.1~esm2), released October 9, 2023.

- Web page: https://patchblox.com/security/product/linux/libh2o-dev-common
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [libh2o-dev-common 2.2.4+dfsg-1ubuntu0.1~esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libh2o-dev-common-2.2.4-dfsg-1ubuntu0.1-esm2.md) | Oct 9, 2023 | Ubuntu 18.04.6 LTS (bionic) 2.2.4+dfsg-1ubuntu0.1~esm2 | Patch now | 1 | 1 |
| [libh2o-dev-common 2.2.5+dfsg2-3ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libh2o-dev-common-2.2.5-dfsg2-3ubuntu0.1-esm1.md) | Oct 9, 2023 | Ubuntu 20.04 LTS (focal) 2.2.5+dfsg2-3ubuntu0.1~esm1 | Patch now | 1 | 1 |
| [libh2o-dev-common 2.2.5+dfsg2-6.1ubuntu2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libh2o-dev-common-2.2.5-dfsg2-6.1ubuntu2-esm1.md) | Oct 9, 2023 | Ubuntu 22.04.1 LTS (jammy) 2.2.5+dfsg2-6.1ubuntu2+esm1 | Patch now | 1 | 1 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo