CVE-2022-41916

MEDIUM

Heimdal < 7.7.1 - Denial of Service in PKI Certificate Validation

Title source: llm
STIX 2.1

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.

References (5)

Core 5

Scores

CVSS v3 5.9
EPSS 0.0089
EPSS Percentile 54.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-193
Status published
Products (3)
debian/debian_linux 10.0
debian/debian_linux 11.0
heimdal_project/heimdal < 7.7.1
Published Nov 15, 2022
Tracked Since Feb 18, 2026