CVE-2026-111377

A flaw was found in FreeRDP. An authenticated remote attacker can cause a Denial of Service DoS by initiating a message on a static virtual channel and repeatedly sending data fragments without completing the transmission. Because the server fails to enforce cumulative size limits during message...

CVE-2026-111377 FreeRDP 2.0.0 before 3.32.0 Memory Exhaustion via Static Channel Reassembly

FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhaust server memory...

CVE-2026-91948 FreeRDP before 3.31.0 Out-of-bounds Write via SHOW_PROTOCOL

FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in server-side static virtual channel handling when CHANNELOPTIONSHOWPROTOCOL is enabled. Authenticated clients can queue oversized channel messages that cause buffer underflow and corrupt heap memory including live...

CVE-2026-91948

FreeRDP versions before 3.31.0 are affected by an out-of-bounds write in the server-side static virtual channel handling when CHANNEL_OPTION_SHOW_PROTOCOL is enabled. An authenticated client can queue oversized channel messages, causing a buffer underflow that corrupts heap memory including live ...

PT-2026-92067

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.31.0 Description An out-of-bounds write issue exists in server-side static virtual channel handling when CHANNEL OPTION SHOW PROTOCOL is enabled. Authenticated clients can queue oversized channel messages, leading t...