Ubuntu Security Notice USN-5750-1
November 30, 2022
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 ESM
GnuTLS could be made to crash if it received specially crafted network
traffic from an authenticated client.
– gnutls28: GNU TLS library
It was discovered that GnuTLS incorrectly handled certain memory
operations. A remote attacker could possibly use this issue to cause GnuTLS
to crash, resulting in a denial of service.
The problem can be corrected by updating your system to the following
Ubuntu 16.04 ESM:
In general, a standard system update will make all the necessary changes.