CVE-2021-44758 Information

Description

Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.

Reference

https://github.com/heimdal/heimdal/security/advisories/GHSA-69h9-669w-88xv https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580