CVE-2026-59993 | h2o Picotls null pointer dereference

October 30, 2026 Yanac

A vulnerability marked as problematic has been reported in h2o Picotls. Affected by this issue is some unknown functionality. The manipulation leads to null pointer dereference.

This vulnerability is traded as CVE-2026-59993. It is possible to initiate the attack remotely. There is no exploit available.

To fix this issue, it is recommended to deploy a patch.VulDB Recent EntriesRead More