CVE-2022-44640 Affecting heimdal package, versions <1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
2.22% (90th percentile)

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  • Snyk IDSNYK-UBUNTU1604-HEIMDAL-3120982
  • published16 Nov 2022
  • disclosed25 Dec 2022

Introduced: 16 Nov 2022

CVE-2022-44640  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 heimdal to version 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm3 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream heimdal package and not the heimdal package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

Heimdal before 7.7.1 allows remote attackers to execute arbitrary code because of an invalid free in the ASN.1 codec used by the Key Distribution Center (KDC).

CVSS Scores

version 3.1