USN-4986-3: rpcbind regression

10 June 2021

USN-4986-1 caused a regression in rpcbind.

Releases

Packages

  • rpcbind - converts RPC program numbers into universal addresses

Details

USN-4986-1 fixed a vulnerability in rpcbind. The update caused a regression
resulting in rpcbind crashing in certain environments. This update fixes
the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that rpcbind incorrectly handled certain large data
sizes. A remote attacker could use this issue to cause rpcbind to consume
resources, leading to a denial of service.

Update instructions

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

Ubuntu 18.04

After a standard system update you need to reboot your computer to make
all the necessary changes.