CVE-2022-41916CWE-193

Read one byte past a buffer when normalizing Unicode

Medium · published November 15, 2022

CVSS v3.1
5.9
EPSS
1%
Percentile
62.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00995 · 62.3th percentile
Weakness
CWE-193 · Off-by-one Error
Published
2022-11-15T00:00Z
EPSS history
Timeline
  • 15 NOV 00:00Z
    Read one byte past a buffer when normalizing Unicode
    cvelistv5