USN-6522-2: FreeRDP vulnerabilities

USN-6522-1 fixed several vulnerabilities in FreeRDP. This update provides
the corresponding update for Ubuntu 18.04 LTS.
Original advisory details:

It was discovered that FreeRDP incorrectly handled drive redirection. If a
user were tricked into connection to a malicious server, a remote attacker
could use this issue to cause FreeRDP to crash, resulting in a denial of
service, or possibly obtain sensitive information. (CVE-2022-41877)

It was discovered that FreeRDP incorrectly handled certain surface updates.
A remote attacker could use this issue …

advisory attacker crash denial of service drive issue lts malicious redirection server service ubuntu update usn vulnerabilities