In FreeRDP after 1.1 and before 2.0.0, there is an out-of-bound read of client memory that is then passed on to the protocol parser. This has been patched in 2.0.0.
https://usn.ubuntu.com/4382-1/
https://usn.ubuntu.com/4379-1/
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-wwh7-r2r8-xjpr
https://github.com/FreeRDP/FreeRDP/pull/6019
https://github.com/FreeRDP/FreeRDP/issues/6008
https://github.com/FreeRDP/FreeRDP/commit/c367f65d42e0d2e1ca248998175180aa9c2eacd0