The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Fujitsu FENCE-Pro before V5L01, and Systemwalker Desktop Encryption V12.0L10, V12.0L10A, V12.0L10B, V12.0L20 and V13.0.0 allows local users to obtain sensitive information by extracting the decoding password from certain "self-decoding" file types.