CVE-2021-44758

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CVSS 3.1

7.5 high

EPSS

1%p67

Published

Dec 26, 2022 (Dec 26, 2022)

Modified

Jun 17, 2026

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.

Vendors: heimdal project
Products: heimdal
Weakness: CWE-476
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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