CVE-2022-44640

CRITICAL
Published Dec 25, 20223y ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Dec 25, 2022 3y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-415

Affected Products 4

VendorProductVersionRange
heimdal_projectheimdal* <7.7.1
sambasamba*≥4.15.0  –  <4.15.3
sambasamba*≥4.16.0  –  <4.16.8
sambasamba*≥4.17.0  –  <4.17.4

References 3

  • github.com https://github.com/heimdal/heimdal/security/advisories/GHSA-88pm-hfmq-7vv4
    Third Party Advisory
  • security.gentoo.org https://security.gentoo.org/glsa/202310-06
  • security.netapp.com https://security.netapp.com/advisory/ntap-20230216-0008/
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.