Debian Security Advisory

DLA-3213-1 krb5 -- LTS security update

Date Reported:
29 Nov 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2022-42898.
More information:

It was discovered that there was a potential Denial of Service (DoS) attack against krb5, a suite of tools implementing the Kerberos authentication system. An integer overflow in PAC parsing could have been exploited if a cross-realm entity acted maliciously.

For Debian 10 Buster, this problem has been fixed in version 1.17-3+deb10u5.

We recommend that you upgrade your krb5 packages.

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