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Vulnerability record · CVE-2022-44640 · published 25 December 2022

CVE-2022-44640: Heimdal project heimdal double free vulnerability

Heimdal Project · Heimdal

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).

9.8 CVSS 3.1 Critical EPSS 1.8% · top 21.8% CWE-415 · Double free
9.8CVSS 3.1 base score
1.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-44640), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.