DEBIAN-CVE-2022-44640

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2022-44640
Published: 25 Dec 2022, 05:15
Last modified:28 Apr 2026, 20:24

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

25 Dec 2022, 05:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:24
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

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

  • debian•samba

    all | < 2:4.17.4+dfsg-1 | < 2:4.17.4+dfsg-1 | < 2:4.17.4+dfsg-1

References (1)