CVE-2022-41916
7.5
HIGH
CVSS 3.1
EPSS 0.32%
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.
How to fix CVE-2022-41916
To remediate CVE-2022-41916, upgrade the affected package to a fixed version below.
- —upgrade to 7.7.1-r0 or later
- —upgrade to 7.7.0+dfsg-2+deb11u2 or later
Is CVE-2022-41916 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 7.7.1-r0
- from 0, < 7.7.0+dfsg-2+deb11u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |