A vulnerability was found in ISC BIND 9.20.0/9.20.1/9.20.2/9.20.3/9.20.4. It has been declared as critical. This vulnerability affects unknown code of the component QPzone NSEC3 Handler. The manipulation leads to reachable assertion.

The attack can be initiated remotely. There is no exploit available.

It is recommended to apply a patch to fix this issue.