USN-4290-1: libpam-radius-auth vulnerability

24 February 2020

libpam-radius-auth could be made to crash if it received specially crafted network traffic.



  • libpam-radius-auth - The PAM RADIUS authentication module


It was discovered that libpam-radius-auth incorrectly handled certain long
passwords. A remote attacker could possibly use this issue to cause
libpam-radius-auth to crash, resulting in a denial of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.10
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.


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