CVE-2026-67303 FreeRDP before 3.29.0 Denial of Service via serial DeviceControl

FreeRDP before 3.29.0 contains a reachable assertion WINPRASSERTOutputBufferLength == BytesReturned in serialprocessirpdevicecontrol in channels/serial/client/serialmain.c. When serial device redirection is enabled and a server-controlled IRPMJDEVICECONTROL request specifies an unsupported IOCTL...

CVE-2026-67299 FreeRDP before 3.29.0 Use-After-Free via WindowIcon async message

FreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOWICONORDER when AsyncUpdate is enabled e.g. xfreerdp /async-update. In updatemessageWindowIcon a shallow CopyMemory overwrites a freshly allocated lParam-iconInfo with the parser-owned...

CVE-2026-67299 FreeRDP before 3.29.0 Use-After-Free via WindowIcon async message

FreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOWICONORDER when AsyncUpdate is enabled e.g. xfreerdp /async-update. In updatemessageWindowIcon a shallow CopyMemory overwrites a freshly allocated lParam-iconInfo with the parser-owned...

CVE-2026-67300

FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async update message proxy for RAIL WINDOWSTATEORDER and NOTIFYICONSTATEORDER when AsyncUpdate is enabled. When a malicious or compromised RDP server sends crafted update orders, the message proxy shallow-copies...

CVE-2026-67299 FreeRDP before 3.29.0 Use-After-Free via WindowIcon async message

FreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOWICONORDER when AsyncUpdate is enabled e.g. xfreerdp /async-update. In updatemessageWindowIcon a shallow CopyMemory overwrites a freshly allocated lParam-iconInfo with the parser-owned...

CVE-2026-67288 FreeRDP before 3.29.0 Denial of Service via smartcard cache

FreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARDIOCTLREADCACHEA and SCARDIOCTLWRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache...

CVE-2026-67299

FreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOWICONORDER when AsyncUpdate is enabled e.g. xfreerdp /async-update. In updatemessageWindowIcon a shallow CopyMemory overwrites a freshly allocated lParam-iconInfo with the parser-owned...

CVE-2026-67295

FreeRDP before 3.29.0 fails to properly validate server-supplied RDPDR paths in drive redirection, allowing attackers to access prefix-sibling paths outside the configured shared root. A malicious RDP server can read, write, delete, and enumerate files in sibling directories by sending non-rooted...

CVE-2026-67288

FreeRDP before 3.29.0 contains a null pointer dereference vulnerability in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARDIOCTLREADCACHEA and SCARDIOCTLWRITECACHEA operations. When smartcard emulation is enabled, attackers can send crafted smartcard cache...

CVE-2026-67306

FreeRDP versions 3.28.0 and earlier contain an out-of-bounds read vulnerability in the RDP6 planar RLE bitmap decoder functions planardecompressplanerle and planardecompressplanerleonly in libfreerdp/codec/planar.c. Only the 1-byte control byte is bounds-checked; the subsequent 0–15...

CVE-2026-67306 FreeRDP before 3.29.0 Out-of-Bounds Read via Planar RLE

FreeRDP versions 3.28.0 and earlier contain an out-of-bounds read vulnerability in the RDP6 planar RLE bitmap decoder functions planardecompressplanerle and planardecompressplanerleonly in libfreerdp/codec/planar.c. Only the 1-byte control byte is bounds-checked; the subsequent 0–15...

CVE-2026-67302

FreeRDP before 3.29.0 affected versions = 3.28.0 contains a divide-by-zero vulnerability in the rdpecam camera redirection client. ecamdevprocessstartstreamsrequest parses a server-controlled CAMMEDIATYPEDESCRIPTION from a StartStreamsRequest PDU but validates only Format and Flags, not...

CVE-2026-67288

Vulnerability summary: CVE-2026-67288 affects FreeRDP before 3.29.0. A null pointer dereference occurs in smartcard cache request decoders that accept NULL NDR pointers for LookupName in SCARD_IOCTL_READCACHEA and SCARD_IOCTL_WRITECACHEA. When smartcard emulation is enabled, an attacker can send ...

CVE-2026-67302

CVE-2026-67302 affects FreeRDP before 3.29.0 (versions ≤ 3.28.0) and targets the rdpecam camera redirection client. A StartStreamsRequest with a server-controlled CAM_MEDIA_TYPE_DESCRIPTION may include a zero FrameRateDenominator; ecam_dev_process_start_streams_request() only validates Format and...

CVE-2026-67303

FreeRDP vulnerability CVE-2026-67303 affects FreeRDP before 3.29.0. When serial device redirection is enabled and a server-controlled IRP_MJ_DEVICE_CONTROL request specifies an unsupported IOCTL with a non-zero OutputBufferLength, CommDeviceIoControl() can fail with BytesReturned = 0. This mismat...

EUVD-2026-51817

FreeRDP before 3.29.0 fails to properly validate server-supplied RDPDR paths in drive redirection, allowing attackers to access prefix-sibling paths outside the configured shared root. A malicious RDP server can read, write, delete, and enumerate files in sibling directories by sending non-rooted...

CVE-2026-67302 FreeRDP rdpecam StartStreamsRequest divide-by-zero denial of service

FreeRDP before 3.29.0 affected versions = 3.28.0 contains a divide-by-zero vulnerability in the rdpecam camera redirection client. ecamdevprocessstartstreamsrequest parses a server-controlled CAMMEDIATYPEDESCRIPTION from a StartStreamsRequest PDU but validates only Format and Flags, not...

CVE-2026-67300 FreeRDP before 3.29.0 Use-After-Free via async message proxy

FreeRDP before 3.29.0 contains client-side heap use-after-free vulnerabilities in the async update message proxy for RAIL WINDOWSTATEORDER and NOTIFYICONSTATEORDER when AsyncUpdate is enabled. When a malicious or compromised RDP server sends crafted update orders, the message proxy shallow-copies...

CVE-2026-67295

CVE-2026-67295 affects FreeRDP prior to 3.29.0. The issue is that server-supplied RDPDR drive redirection paths are not properly validated, allowing a malicious RDP server to traverse to prefix-sibling directories outside the configured shared root. This can enable reading, writing, deleting, and...

EUVD-2026-51820

FreeRDP before 3.29.0 contains a client-side heap use-after-free in the async update message proxy for WINDOWICONORDER when AsyncUpdate is enabled e.g. xfreerdp /async-update. In updatemessageWindowIcon a shallow CopyMemory overwrites a freshly allocated lParam-iconInfo with the parser-owned...