CVE-2026-32623

Summary: CVE-2026-32623 affects xrdp up to v0.10.5, where the NeutrinoRDP module (not built by default) may mishandle reassembled fragmented virtual channel data, causing a heap-based buffer overflow. This can lead to memory corruption with potential DoS or RCE if an attacker can position or MITM...

CVE-2026-32623 xrdp: Heap buffer overflow in NeutrinoRDP channel reassembly

xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size of reassembled fragmented virtual channel data against it...

CVE-2026-32623 xrdp: Heap buffer overflow in NeutrinoRDP channel reassembly

xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size of reassembled fragmented virtual channel data against it...

CVE-2026-32623

xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size of reassembled fragmented virtual channel data against it...

CVE-2026-32623

xrdp is an open source RDP server. Versions through 0.10.5 contain a heap-based buffer overflow vulnerability in the NeutrinoRDP module. When proxying RDP sessions from xrdp to another server, the module fails to properly validate the size of reassembled fragmented virtual channel data against it...

CVE-2026-32105

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

CVE-2026-32105 xrdp: RDP MAC signature (dataSignature) never verified on receive — integrity bypass in non-TLS mode

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

CVE-2026-32105

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

CVE-2026-33689: Out-of-bounds Read

xrdp is an open source RDP server. Versions through 0.10.5 have an out-of-bounds read vulnerability in the pre-authentication RDP message parsing logic. A remote, unauthenticated attacker can trigger this flaw by sending a specially crafted sequence of packets during the initial connection phase...

PT-2026-33498

Name of the Vulnerable Software and Affected Versions xrdp versions prior to 0.10.6 Description A heap-based buffer overflow exists in the NeutrinoRDP module. When proxying RDP sessions to another server, the module does not properly validate the size of reassembled fragmented virtual channel dat...

CVE-2026-32105: Improper Validation of Integrity Check Value

xrdp is an open source RDP server. In versions through 0.10.5, xrdp does not implement verification for the Message Authentication Code MAC signature of encrypted RDP packets when using the "Classic RDP Security" layer. While the sender correctly generates signatures, the receiving logic lacks th...

AlmaLinux 9 : freerdp (ALSA-2026:8457)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8457 advisory. FreeRDP: FreeRDP: Heap buffer overflow allows arbitrary code execution via crafted pixel data CVE-2026-33984 FreeRDP: FreeRDP: Denial of Service via...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: freerdp (UTSA-2026-007208)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007208 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, audinserverrecvformats frees an incorrect number of audio formats on parse failure ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: freerdp (UTSA-2026-007207)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007207 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, in ClearCodec, when glyphData is present, cleardecompress calls...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: freerdp (UTSA-2026-007197)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007197 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap-buffer-overflow occurs in drive read when a server-controlled read length is...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: freerdp (UTSA-2026-007183)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007183 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a buffer overread in freerdpimagecopyfromicondata libfreerdp/codec/color.c...

freerdp security update

An update is available for freerdp. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released...

freerdp: FreeRDP has a heap-buffer-overflow in urb_select_interface

A heap buffer overflow has been discovered in FreeRDP. The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusbudevselectinterface...

freerdp: FreeRDP has a Heap-use-after-free in play_thread

A heap use after free has been discovered in FreeRDP. The RDPSND async playback thread can process queued PDUs after the channel is closed and internal state is freed, leading to a use after free in rdpsndtreatwave...

RHEL 9 : freerdp (RHSA-2026:6958)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:6958 advisory. FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to R...