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vulnerabilityCVE-2026-56297
Name
CVE-2026-56297
Source
NVD ( link)Debian ( link)
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.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
freerdp
Exploitable

Vulnerability Ratings#


8.3
CVSSv4
7
CVSSv31
8.1
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.11.8
Exploitable
yocto
kirkstone
2.6.1
Exploitable
yocto
master
2.11.8
Exploitable
yocto
master
3.30.0
Not Affected
yocto
scarthgap
2.11.8
Exploitable
yocto
scarthgap
3.4.0
Exploitable