CVE-2021-44758

HIGH

Heimdal < 7.7.1 - NULL Pointer Dereference via SPNEGO Acceptor

Title source: llm
STIX 2.1

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 (3)

Core 3

Scores

CVSS v3 7.5
EPSS 0.0122
EPSS Percentile 65.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (1)
heimdal_project/heimdal < 7.7.1
Published Dec 26, 2022
Tracked Since Feb 18, 2026