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Vulnerability record · CVE-2022-41916 · published 15 November 2022

CVE-2022-41916: Heimdal project heimdal vulnerability

Heimdal Project · Heimdal

Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509. Users should upgrade to Heimdal 7.7.1 or 7.8. There are no known workarounds for this issue.

7.5 CVSS 3.1 High EPSS 0.97% · top 39.7% CWE-193 · CWE-193
7.5CVSS 3.1 base score
0.97%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509. Users should upgrade to Heimdal 7.7.1 or 7.8. There are no known workarounds for this issue.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-mgqr-gvh6-23cx Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202310-06
https://security.netapp.com/advisory/ntap-20230216-0008/
https://www.debian.org/security/2022/dsa-5287 Third Party Advisory
https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202310-06
https://security.netapp.com/advisory/ntap-20230216-0008/
https://www.debian.org/security/2022/dsa-5287 Third Party Advisory

Track CVE-2022-41916 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2022-41916), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.