CVE-2022-44640

Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 25 Dec 2022, 00:00
Last modified:15 Apr 2025, 13:20

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
v3.1 (cve.org)
EPSS Score
1.61% LOW
2% probability -0.23%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Dec 2022, 00:00
Published
Vulnerability first disclosed
15 Apr 2025, 13:20
Last Modified
Vulnerability information updated

Description

Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).

CVSS Metrics

  • v3.1•CRITICAL•Score: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Trends

Current EPSS score: 1.61%• Percentile: 82%

Techniques & Countermeasures

  • CWE-415•Double Free

    The product calls free() twice on the same memory address.

Affected Systems

  • heimdal_project•heimdal

    < 7.7.1

  • samba•samba

    ≥ 4.15.0, < 4.15.3 | ≥ 4.16.0, < 4.16.8 | ≥ 4.17.0, < 4.17.4

References (3)