FreeRDP is a free remote desktop protocol library and clients. In affected versions there is an out of bound read in ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP based client to read out of bound data and try to decode it likely resulting in a crash. This issue has been addressed in the 2.9.0 release. Users are advised to upgrade.
https://security.gentoo.org/glsa/202401-16
https://lists.debian.org/debian-lts-announce/2023/11/msg00010.html
https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-5w4j-mrrh-jjrm
https://github.com/FreeRDP/FreeRDP/commit/e865c24efc40ebc52e75979c94cdd4ee2c1495b0