Linux Distros Unpatched Vulnerability : CVE-2026-67299

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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-2026-67301

FreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled e.g., xfreerdp /async-update, updatemessagePolygonSC and updatemessagePolygonCB allocate a fresh points array but...

UBUNTU-CVE-2026-67291

FreeRDP before 3.29.0 affected versions = 3.28.0 contains a heap out-of-bounds read in updateprocessglyphfragments/glyphcachefragmentput in libfreerdp/cache/glyph.c. When handling a GLYPHFRAGMENTADD update, the code reads a one-byte server-controlled declared fragment size but does not verify it...

UBUNTU-CVE-2026-67301

FreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled e.g., xfreerdp /async-update, updatemessagePolygonSC and updatemessagePolygonCB allocate a fresh points array but...

CVE-2026-67299

FreeRDP before 3.29.0 is affected by a client-side heap use-after-free in the async update path when WINDOW_ICON_ORDER is processed. In update_message_WindowIcon(), a shallow CopyMemory overwrites a newly allocated lParam->iconInfo with a parser-owned windowIcon->iconInfo pointer; after the...

CVE-2026-67300

CVE-2026-67300 – FreeRDP before 3.29.0 : A client-side heap use-after-free in the async update message proxy affects RAIL WINDOW_STATE_ORDER and NOTIFY_ICON_STATE_ORDER when AsyncUpdate is enabled. If a malicious RDP server sends crafted update orders, the proxy shallow-copies structures containi...

CVE-2026-67291 FreeRDP before 3.29.0 Heap Out-of-Bounds Read via GLYPH_FRAGMENT_ADD

FreeRDP before 3.29.0 affected versions = 3.28.0 contains a heap out-of-bounds read in updateprocessglyphfragments/glyphcachefragmentput in libfreerdp/cache/glyph.c. When handling a GLYPHFRAGMENTADD update, the code reads a one-byte server-controlled declared fragment size but does not verify it...

EUVD-2026-51823

FreeRDP before 3.29.0 affected versions = 3.28.0 contains a heap out-of-bounds read in updateprocessglyphfragments/glyphcachefragmentput in libfreerdp/cache/glyph.c. When handling a GLYPHFRAGMENTADD update, the code reads a one-byte server-controlled declared fragment size but does not verify it...

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 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-2026-67301

FreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled e.g., xfreerdp /async-update, updatemessagePolygonSC and updatemessagePolygonCB allocate a fresh points array but...

CVE-2026-67301 FreeRDP before 3.29.0 Out-of-bounds Read via Polygon async message-proxy

FreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled e.g., xfreerdp /async-update, updatemessagePolygonSC and updatemessagePolygonCB allocate a fresh points array but...

EUVD-2026-51857

FreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled e.g., xfreerdp /async-update, updatemessagePolygonSC and updatemessagePolygonCB allocate a fresh points array but...

CVE-2026-67301 FreeRDP before 3.29.0 Out-of-bounds Read via Polygon async message-proxy

FreeRDP before 3.29.0 contains out-of-bounds read vulnerabilities in the async update message proxy for the PolygonSC and PolygonCB primary drawing orders. When AsyncUpdate is enabled e.g., xfreerdp /async-update, updatemessagePolygonSC and updatemessagePolygonCB allocate a fresh points array but...

PT-2026-67268

Name of the Vulnerable Software and Affected Versions FreeRDP versions prior to 3.29.0 Description A null pointer dereference occurs in smartcard cache request decoders when they accept NULL NDR pointers for LookupName during SCARD IOCTL READCACHEA and SCARD IOCTL WRITECACHEA operations. If...

SUSE CVE-2026-55653

A flaw was found in OpenSSH. A malicious SSH server can exploit a double free vulnerability in the Diffie-Hellman Group Exchange DH-GEX client path. This occurs during FIPS Federal Information Processing Standards mode known-group validation when the client processes attacker-controlled DH-GEX...

libssh2: libssh2: Denial of service or information disclosure via malformed SSH publickey response

A flaw in libssh2 allows a malicious SSH server to send a malformed public key response, triggering an invalid memory cleanup. This can cause the connecting client application to crash or leak information...

EUVD-2026-48753

A flaw was found in libsoup. An unsigned integer underflow in the soupfilterinputstreamreaduntil function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can exploit this by sending a crafted multipart response, potentially causing the client...