FreeRDP 3.20.0 Heap Use-After-Free in irp_thread_func
CVE-2026-22857 Published on January 14, 2026
FreeRDP has a heap-use-after-free in irp_thread_func
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-22857 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-22857
Want to know whenever a new CVE is published for FreeRDP? stack.watch will email you.
Affected Versions
FreeRDP Version < 3.20.1 is affected by CVE-2026-22857Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.