Ubuntu Security Notice USN-4919-1
April 19, 2021
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 LTS
– Ubuntu 14.04 ESM
OpenSLP could be made to crash or run programs as your login if it received
specially crafted network traffic.
– openslp-dfsg: Service Location Protocol library
It was discovered that OpenSLP did not properly validate URLs. A remote
attacker could use this issue to cause OpenSLP to crash or possibly execute
The problem can be corrected by updating your system to the following
Ubuntu 16.04 LTS:
Ubuntu 14.04 ESM:
In general, a standard system update will make all the necessary changes.