CVE-2026-33986

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in yuvensurebuffer in libfreerdp/codec/h264.c, h264-width and h264-height are updated before the reallocation loop. If any winpralignedrecalloc call fails, the function returns FALSE but width/height are...

CVE-2026-33985

FreeRDP prior to version 3.24.2 is affected by a heap-based information disclosure (heap memory read) in pixel data handling, leading to potential leakage of sensitive data. The issue is patched in 3.24.2; upgrading to 3.24.2 or later is the recommended mitigation. No exploitation details are pro...

EUVD-2026-17229

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in resizevbarentry in libfreerdp/codec/clear.c, vBarEntry-size is updated to vBarEntry-count before the winpralignedrecalloc call. If realloc fails, size is inflated while pixels still points to the old,...

CVE-2026-33983

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressivedecompresstileupgrade detects a mismatch via progressiverfxquantcmpequal but only emits WLogWARN, execution continues. The wrapped value 247 is used as a shift exponent, causing undefined behavior...

CVE-2026-33982 FreeRDP: Persistent Cache Allocator Mismatch - Heap OOB Read

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpralignedoffsetrecalloc. This issue has been patched in version 3.24.2...

FreeRDP 安全漏洞

FreeRDP is an open-source RDP protocol implementation developed by the FreeRDP team. Versions of FreeRDP prior to 3.24.2 contained a security vulnerability. This vulnerability stemmed from the unvalidated network read of the authlength field, which could trigger assertion failures. This could cau...

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: Arbitrary code execution via heap out-of-bounds write ...

FreeRDP RDP DoS

The vulnerability of the xfrailserverlocalmovesize function in the RDP client FreeRDP relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to cause service failure...

FreeRDP Stream Ensure Capacity DoS

The vulnerability of the StreamEnsureCapacity function in the RDP client FreeRDP is caused by a numerical overflow condition. Exploiting this vulnerability could allow an attacker, operating remotely, to cause service failures...

FreeRDP Buffer Overflow Unauthorized Access

The vulnerability of the RDP client FreeRDP is related to the escape of operations beyond the buffer in memory due to incorrect validation of input data. Exploiting this vulnerability can allow an attacker operating remotely to gain unauthorized access to protected information...

Important: Red Hat Security Advisory: freerdp security update

An update for freerdp is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. 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 fo...

ALSA-2026:5939 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: Arbitrary code execution via heap out-of-bounds write ...

USN-8105-2 freerdp3 regression

USN-8105-1 fixed vulnerabilities in FreeRDP. The update introduced a regression which could cause FreeRDP to crash. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that FreeRDP incorrectly handled certain RDP packets. A remote attack...

Ubuntu 24.04 LTS / 25.10 : FreeRDP vulnerabilities (USN-8105-1)

The remote Ubuntu 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8105-1 advisory. It was discovered that FreeRDP incorrectly handled certain RDP packets. A remote attacker could use this issue to cause FreeRDP to crash, resulti...

SUSE CVE-2026-31883

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a sizet underflow in the IMA-ADPCM and MS-ADPCM audio decoders leads to heap-buffer-overflow write via the RDPSND audio channel. In libfreerdp/codec/dsp.c, the IMA-ADPCM and MS-ADPCM decoders subtract block header...

SUSE CVE-2026-31884

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % blocksize where blocksize = context-common.format.nBlockAlign...

CVE-2026-29775

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

UBUNTU-CVE-2026-31883

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a sizet underflow in the IMA-ADPCM and MS-ADPCM audio decoders leads to heap-buffer-overflow write via the RDPSND audio channel. In libfreerdp/codec/dsp.c, the IMA-ADPCM and MS-ADPCM decoders subtract block header...

CVE-2026-29776

An integer underflow flaw has been discovered in FreeRDP. A uint32 field is populated from a uint16 data element. This field is later modified without proper checks and in some situations a program crash may occur. Mitigation Mitigation for this issue is either not available or the currently...

CVE-2026-31806 FreeRDP has a Heap Buffer Overflow in nsc_process_message() via Unchecked SURFACE_BITS_COMMAND Bitmap Dimensions

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, the gdisurfacebits function processes SURFACEBITSCOMMAND messages sent by the RDP server. When the command is handled using NSCodec, the bmp.width and bmp.height values provided by the server are not properly...