Back to Database
Status published
Unknown
CVE-2021-44758
Heimdal before 7.7.1 allows attackers to cause a NULL pointer...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-44758
Credits & Attribution
No credits recorded in the NVD database.
References
More from heimdal project
View All →CVE-2022-44640
Heimdal before 7.7.1 allows remote attackers to execute arbitrary code...
Unknown
0
CVE-2019-12098
In the client side of Heimdal before 7.6.0, failure to...
Unknown
0
CVE-2017-6594
The transit path validation code in Heimdal before 7.3 might...
High
7.5
CVE-2017-11103
Heimdal before 7.4 allows remote attackers to impersonate services with...
High
8.1
CVE-2004-0434
k5admind (kadmind) for Heimdal allows remote attackers to execute arbitrary...
Critical
9.8
Affected Vendor
heimdal project
View all reports →Affected Software
heimdal
Vulnerable Versions:
0
Timeline
Official Publish:
December 26th, 2022
Last Modified:
April 14th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.