DEBIAN-CVE-2021-44758

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2021-44758
Published: 26 Dec 2022, 05:15
Last modified:28 Apr 2026, 20:23

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.1 (osv_debian)
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
28 Apr 2026, 20:23
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

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

Affected Systems

  • debian•heimdal

    < 7.7.0+dfsg-2+deb11u2 | < 7.8.git20221115.a6cf945+dfsg-1 | < 7.8.git20221115.a6cf945+dfsg-1 | < 7.8.git20221115.a6cf945+dfsg-1

References (1)