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Affected Component
Analysis
freerdp
Exploitable
Name
CVE-2026-63117
Description
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, an authenticated RDP client can advertise DVI ADPCM with nBlockAlign equal to 8 and nChannels equal to 2 to make the `bs` calculation in rdpsnd_server_select_format in channels/rdpsnd/server/rdpsnd_main.c equal zero. The subsequent out_frames modulo `bs` operation raises SIGFPE and terminates the server-side rdpsnd channel process. This vulnerability fixed in 3.28.0.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://github.com/FreeRDP/FreeRDP/pull/12980Issue Tracking
Analysis#
Vulnerability Ratings#
6.5
CVSSv31
NaN
other