Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Versions prior to 3.25.0 have a flaw in the path traversal filter in channels/drive/client/drivefile.c. The containsDotDot function detects ../ and .. in the path, but misses .. when it’s the last component without a trailing...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.0, a client-side heap out-of-bounds read/write occurred in FreeRDP’s bitmap cache subsystem due to an off-by-one boundary check in bitmapcacheput. A malicious server could send a CACHEBITMAPORDER Rev1 with a...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, the progressivedecompresstileupgrade function detected mismatches using progressiverfxquantcmpequal, but only emitted a WLogWARN message; execution continued. The wrapped value 247 was used as a shift...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.20.1, a memory access violation occurred in irpthreadfunc because the IRP was freed by irp-Complete, and then accessed again during the error handling path. This vulnerability has been fixed in version 3.20.1...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, a double-free vulnerability in the functions kerberosAcceptSecurityContext and kerberosInitializeSecurityContextA located in WinPR, winpr/libwinpr/sspi/Kerberos/kerberos.c could cause crashes in any FreeRDP...

Astra Linux – Vulnerability in freerdp3

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, railwindowfree dereferenced a freed xfAppWindow pointer during HashTableFree cleanup. This was due to xfrailwindowcommon calling freeappWindow in case of title allocation failures, without first removing the...

FreeRDP: FreeRDP: Use-after-free vulnerability in DRDYNVC parser leads to memory corruption

A flaw was found in FreeRDP server. This use-after-free vulnerability exists in the DRDYNVC parser, where a channel pointer is dereferenced after its synchronization lock has been released. An authenticated client can exploit this by racing AUDIN channel closure messages against DRDYNVC data...

FreeRDP: FreeRDP: Denial of Service due to buffer over-read in RPC gateway

A flaw was found in FreeRDP. A remote attacker can exploit a buffer over-read vulnerability within the RPC Remote Procedure Call gateway transport parser by sending a malicious BINDACK Protocol Data Unit PDU with a truncated result entry. This can lead to a process abort, resulting in a Denial of...

FreeRDP: freerdp-proxy: FreeRDP: Information disclosure via uninitialized heap memory in Save Session Info PDU

A flaw was found in FreeRDP. This vulnerability allows a remote attacker with low privileges to disclose sensitive information from the server or proxy process memory to a downstream client. This occurs because certain functions responsible for writing Save Session Info Protocol Data Units PDUs u...

FreeRDP: FreeRDP: Denial of Service via crafted Surface Bits command

A flaw was found in FreeRDP. A malicious Remote Desktop Protocol RDP server can trigger a null pointer dereference in the gdisurfacebits function by sending a specially crafted Surface Bits command that claims to use the NSCodec codec ID. This vulnerability exists even when the NSCodec is disable...

FreeRDP: FreeRDP: Denial of Service via out-of-bounds read in URBDRC channel

A flaw was found in FreeRDP. A malicious Remote Desktop Protocol RDP server can exploit an out-of-bounds read vulnerability in the URBDRC USB device redirection channel. By sending a specially crafted message, the server can cause the FreeRDP client to read beyond its allocated memory, leading to...

FreeRDP: FreeRDP: Remote code execution via heap buffer overflow in Server Redirection PDU

A flaw was found in FreeRDP. A malicious Remote Desktop Protocol RDP server can exploit a heap-based buffer overflow vulnerability in the negosendnegotiationrequest function. By sending a specially crafted Server Redirection PDU message with an attacker-controlled LoadBalanceInfo field, the serve...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

FreeRDP: FreeRDP: Information Disclosure via RDPGFX ResetGraphics PDU

A flaw was found in FreeRDP. This information disclosure vulnerability exists in the RDPGFX server's ResetGraphics Protocol Data Unit PDU serializer. It fails to properly initialize padding bytes, allowing a remote attacker to receive uninitialized heap memory. This can lead to the disclosure of...

FreeRDP: FreeRDP: Heap buffer overflow via oversized LB_LOAD_BALANCE_INFO routing token can lead to heap corruption.

A flaw was found in FreeRDP. A malicious RDP Remote Desktop Protocol server or a man-in-the-middle attacker could exploit a heap buffer overflow vulnerability during connection negotiation, prior to authentication. By sending a specially crafted Server Redirection PDU Protocol Data Unit with an...

FreeRDP: FreeRDP: Out-of-bounds read leads to denial of service or information disclosure

A flaw was found in FreeRDP, where an out-of-bounds read vulnerability exists in the rdpdrdumppacket function. This is due to a 32-bit unsigned integer wraparound during buffer bounds validation. A malicious RDP server can send a specially crafted RDPDR packet, bypassing security checks and causi...

FreeRDP: FreeRDP: Denial of Service via integer overflow and double free in WinPR

A flaw was found in FreeRDP. A remote attacker, specifically a malicious RD Gateway peer, could send a crafted WebSocket Ping frame with an extended payload length. This action triggers an an integer overflow in the StreamEnsureRemainingCapacity function, leading to an integer wraparound and a...

FreeRDP: FreeRDP: Remote code execution via uninitialized heap memory disclosure

A flaw was found in FreeRDP. An uninitialized heap memory disclosure vulnerability exists in the urbdrc USB redirection channel. A malicious Remote Desktop Protocol RDP server can exploit this by inducing failing USB transfers, allowing it to read uninitialized heap memory from the client. This...

ALSA-2026:75570 Important: freerdp security update

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fixes: FreeRDP: freerdp-proxy: FreeRDP: Information disclosure via uninitialize...

RHEL 10 : freerdp (RHSA-2026:75570)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:75570 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to...