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.
krb5_pac_parse() buffer parsing vulnerability
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: https://wiki.debian.org/LTS