| 250657 | Linux Distros Unpatched Vulnerability : CVE-2018-0608 | Nessus | Misc. | critical |
| 400719 | Alpine: multiple h2o packages: security update to 2.2.4-r2 (deprecated) | Tenable Cloud Security | Alpine Linux Local Security Checks | critical |
| 400719 | Alpine: multiple h2o packages: security update to 2.2.4-r2 (deprecated) | Tenable Self-Hosted Container Security | Alpine Linux Local Security Checks | critical |
| 110916 | FreeBSD : h2o -- heap buffer overflow during logging (ce39379f-7eb7-11e8-ab03-00bd7f19ff09) | Nessus | FreeBSD Local Security Checks | critical |