Debian Security Advisory

DLA-2771-1 krb5 -- LTS security update

Date Reported:
30 Sep 2021
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 891869, Bug 917387, Bug 992607.
In Mitre's CVE dictionary: CVE-2018-5729, CVE-2018-5730, CVE-2018-20217, CVE-2021-37750.
More information:

Several vulnerabilities were fixed in MIT Kerberos, a system for authenticating users and services on a network.

For Debian 9 stretch, these problems have been fixed in version 1.15-1+deb9u3.

We recommend that you upgrade your krb5 packages.

For the detailed security status of krb5 please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: