In FreeRDP before version 2.1.2, there is an out of bounds read in license_read_new_or_upgrade_license_packet. A manipulated license packet can lead to out of bound reads to an internal buffer. This is fixed in version 2.1.2.
https://usn.ubuntu.com/4481-1/
https://lists.debian.org/debian-lts-announce/2023/10/msg00008.html
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-977w-866x-4v5h
https://github.com/FreeRDP/FreeRDP/commit/6ade7b4cbfd71c54b3d724e8f2d6ac76a58e879a
http://www.freerdp.com/2020/06/22/2_1_2-released
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00080.html