A vulnerability classified as problematic has been found in Qt up to 5.15.16/6.2.10/6.5.3/6.6.1. Affected is an unknown function of the file network/access/http2/hpacktable.cpp of the component HTTP2 HAndler. The manipulation leads to integer overflow.

This vulnerability is traded as CVE-2023-51714. The attack needs to be done within the local network. There is no exploit available.

It is recommended to upgrade the affected component.