Unrated severityOSV Advisory· Published Jan 14, 2026· Updated Feb 26, 2026
FreeRDP has a heap-use-after-free in irp_thread_func
CVE-2026-22857
Description
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.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/FreeRDP/FreeRDP/releases/tag/3.20.1mitrex_refsource_MISC
- github.com/FreeRDP/FreeRDP/security/advisories/GHSA-4gxq-jhq6-4cr8mitrex_refsource_CONFIRM
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