ALPINE-CVE-2021-44758

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 26 Dec 2022, 05:15
Last modified:03 Dec 2025, 22:49

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_alpine)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Dec 2022, 05:15
Published
Vulnerability first disclosed
03 Dec 2025, 22:49
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1HIGHScore: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • alpineheimdal

    < 7.7.1-r0 | < 7.7.1-r0 | < 7.7.1-r0 | < 7.7.1-r0 | < 7.7.1-r0 | < 7.7.1-r0 | < 7.7.1-r0 | < 7.7.1-r0 | < 7.7.1-r0 | < 7.7.1-r0

References (1)