CVE-2022-41916

Read one byte past a buffer when normalizing Unicode

Published Nov 15, 2022 CVSS 3.1 · 5.9 Medium EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3206-1 heimdal security update
Debian DSA Debian DSA DSA-5287-1 heimdal security update
EUVD EUVD EUVD-2022-45046 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.
Ubuntu USN Ubuntu USN USN-5766-1 Heimdal vulnerability
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Apr 23, 2025, 4:37 PM
Reserved
Sep 30, 2022, 12:00 AM
Status
Modified
Published
Nov 15, 2022, 11:15 PM
Modified
Jun 17, 2026, 5:04 AM