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Name
CVE-2026-56297
Description
FreeRDP before 3.22.0 contains a use-after-free vulnerability in dvcman_channel_close and dvcman_call_on_receive due to improper synchronization of channel_callback access. A malicious RDP server can trigger a race condition by sending DYNVC_DATA and DYNVC_CLOSE messages concurrently, causing heap-use-after-free in the drdynvc client thread and potentially enabling remote code execution or denial of service.
CWEs
Published Date
Updated Date
Workaround
-
Analysis#
Vulnerability Ratings#
8.3
CVSSv4
7
CVSSv31
8.1
CVSSv31
NaN
other