CVE-2021-44758

high

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.

References

https://security.gentoo.org/glsa/202310-06

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

https://github.com/heimdal/heimdal/commit/f9ec7002cdd526ae84fbacbf153162e118f22580

Details

Source: Mitre, NVD

Published: 2022-12-26

Updated: 2023-10-08

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H