CVE-2022-41916
highpriority · track · 30EPSS 0.010 · 62 %ileDEEUUSEPSS · scored 2026-10-27
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (29)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-2057Heimdal: Mehrere SchwachstellenDeutsch2022-11-15csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Heimdal, Samba, MIT Kerberos und FreeBSD Project FreeBSD OS ausnutzen, um einen Denial of Service Angriff durchzuführen, und um beliebigen Code auszuführen.
- WID-SEC-W-2022-2372genua genugate: Mehrere SchwachstellenDeutsch2022-12-19csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann einige der mehreren Schwachstellen in Komponenten von Drittanbietern ausnutzen, die von genua genugate verwendet werden, um Informationen offenzulegen und potentiell weitere, unbekannte Auswirkungen zu erzielen.
also known as (2)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (23)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2022-41916/cnnvd
- https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cxcnnvd
- https://lists.debian.org/debian-lts-announce/2022/11/msg00034.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-41916cnnvd
- https://packetstormsecurity.com/files/169995/Debian-Security-Advisory-5287-1.htmlcnnvd
- https://packetstormsecurity.com/files/170133/Ubuntu-Security-Notice-USN-5766-1.htmlcnnvd
- https://security.gentoo.org/glsa/202310-06cnnvd
- https://security.netapp.com/advisory/ntap-20230216-0008/cnnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan