Today, we have released H2O version 2.2.3.
This is a bug-fix release, including two security fixes and 14 bug fixes from 7 people. Please consult the release page for details.
The vulnerabilities being fixed are #1459 (CVE-2017-10868) and #1460 (CVE-2017-10869). Both are vulnerabilities against DoS attacks. It is recommended that the users of H2O update their deployments to the newest release.
We would like to thank the developers for working on the fixes and for users reporting the issues.