Vulnerability of the update_pointer_new() function in the RDP client FreeRDP, allowing a hacker to execute arbitrary code and cause a service failure

The vulnerability of the updatepointernew function in the RDP client FreeRDP relates to the possibility of using memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code and cause service failures...

CVE-2026-23883 Heap-use-after-free in update_pointer_new

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, xfPointerNew frees cursorPixels on failure, then pointerfree calls xfPointerFree and frees it again, triggering ASan UAF. A malicious server can trigger a client‑side use after free, causing a crash DoS and...