CVE-2021-44758

Published Dec 26, 2022 CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-3206-1 heimdal security update
Debian DSA Debian DSA DSA-5287-1 heimdal security update
EUVD EUVD EUVD-2021-31573 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.
Ubuntu USN Ubuntu USN USN-5800-1 Heimdal vulnerabilities
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Apr 14, 2025, 3:57 PM
Reserved
Dec 8, 2021, 12:00 AM
Status
Modified
Published
Dec 26, 2022, 5:15 AM
Modified
Jun 17, 2026, 4:12 AM