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CVE-2026-112278

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_raw_bmpcache

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_raw_bmpcache() in orders.c that allows malicious RDP servers to crash clients. Attackers can send a raw bitmap cache order declaring large width, height, and bpp values with a tiny payload, causing memcpy() to read past the receive buffer and crash the client.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Rdesktop
Products
Rdesktop
CVE-2026-112279

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_bmpcache2

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_bmpcache2() in orders.c that allows malicious RDP servers to crash clients via crafted revision-2 bitmap cache orders. Attackers can send an uncompressed order with large width/height or an underflowing mode nibble and short payload, causing memcpy() reads past the receive buffer and denial of service.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Rdesktop
Products
Rdesktop
CVE-2026-112277

rdesktop through 1.9.0 Heap Out-of-Bounds Read via process_plane

rdesktop through 1.9.0 contains a heap out-of-bounds read vulnerability in process_plane() in bitmap.c that allows malicious RDP servers to crash clients by sending malformed 32 bpp compressed bitmaps. Attackers can declare a large bitmap geometry with a short compressed body in bitmap update PDUs or bitmap cache orders, causing unbounded reads past the receive buffer and denial of service.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Rdesktop
Products
Rdesktop
CVE-2008-1801

rdesktop: iso_recv_msg() Integer Underflow Vulnerability

Integer underflow in the iso_recv_msg function (iso.c) in rdesktop 1.5.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a Remote Desktop Protocol (RDP) request with a small length field.

CVSS 2.0 · 9.3 Critical EPSS 13.1% KEV · Not listed
Vendors
Rdesktop Redhat
Products
Rdesktop Enterprise Linux
CVE-2008-1802

rdesktop: process_redirect_pdu() BSS Overflow Vulnerability

Buffer overflow in the process_redirect_pdu (rdp.c) function in rdesktop 1.5.0 allows remote attackers to execute arbitrary code via a Remote Desktop Protocol (RDP) redirect request with modified length fields.

CVSS 2.0 · 9.3 Critical EPSS 13.0% KEV · Not listed
Vendors
Rdesktop
Products
Rdesktop
CVE-2008-1803

rdesktop: channel_process() Integer Signedness Vulnerability

Integer signedness error in the xrealloc function (rdesktop.c) in RDesktop 1.5.0 allows remote attackers to execute arbitrary code via unknown parameters that trigger a heap-based overflow. NOTE: the role of the channel_process function was not specified by the original researcher.

CVSS 2.0 · 9.3 Critical EPSS 6.7% KEV · Not listed
Vendors
Rdesktop Redhat
Products
Rdesktop Enterprise Linux
CVE-2011-1595

rdesktop remote file access

Directory traversal vulnerability in the disk_create function in disk.c in rdesktop before 1.7.0, when disk redirection is enabled, allows remote RDP servers to read or overwrite arbitrary files via a .. (dot dot) in a pathname.

CVSS 2.0 · 4.3 Medium EPSS 1.1% KEV · Not listed
Vendors
Rdesktop Redhat
Products
Rdesktop Enterprise Linux
CVE-2019-15682

rdesktop: multiple out-of-bound access read vulnerabilities

RDesktop version 1.8.4 contains multiple out-of-bound access read vulnerabilities in its code, which results in a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. These issues have been fixed in version 1.8.5

CVSS 3.1 · 7.5 High EPSS 1.4% KEV · Not listed
Vendors
Rdesktop
Products
Rdesktop
CVE-2018-8800

rdesktop: Remote code execution in ui_clip_handle_data

rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function ui_clip_handle_data() that results in a memory corruption and probably even a remote code execution.

CVSS 3.1 · 9.8 Critical EPSS 7.1% KEV · Not listed
Vendors
Debian Opensuse Rdesktop
Products
Debian Linux Leap Rdesktop
CVE-2018-8799

rdesktop: Denial of Service in process_secondary_order

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function process_secondary_order() that results in a Denial of Service (segfault).

CVSS 3.0 · 7.5 High EPSS 4.1% KEV · Not listed
Vendors
Debian Rdesktop
Products
Debian Linux Rdesktop
CVE-2018-8798

rdesktop: Minor information leak in rdpsnd_process_ping

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function rdpsnd_process_ping() that results in an information leak.

CVSS 3.0 · 7.5 High EPSS 3.8% KEV · Not listed
Vendors
Debian Rdesktop
Products
Debian Linux Rdesktop
CVE-2018-8797

rdesktop: Remote code execution in process_plane

rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function process_plane() that results in a memory corruption and probably even a remote code execution.

CVSS 3.1 · 9.8 Critical EPSS 7.1% KEV · Not listed
Vendors
Debian Opensuse Rdesktop
Products
Debian Linux Leap Rdesktop
CVE-2018-8796

rdesktop: Denial of Service in process_bitmap_data

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function process_bitmap_updates() that results in a Denial of Service (segfault).

CVSS 3.0 · 7.5 High EPSS 4.1% KEV · Not listed
Vendors
Debian Rdesktop
Products
Debian Linux Rdesktop
CVE-2018-8795

rdesktop: Remote code execution in process_bitmap_data

rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in function process_bitmap_updates() and results in a memory corruption and probably even a remote code execution.

CVSS 3.1 · 9.8 Critical EPSS 7.4% KEV · Not listed
Vendors
Debian Opensuse Rdesktop
Products
Debian Linux Leap Rdesktop
CVE-2018-8794

rdesktop: Memory corruption in process_bitmap_data

rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to an Out-Of-Bounds Write in function process_bitmap_updates() and results in a memory corruption and possibly even a remote code execution.

CVSS 3.1 · 9.8 Critical EPSS 6.7% KEV · Not listed
Vendors
Debian Opensuse Rdesktop
Products
Debian Linux Leap Rdesktop
CVE-2018-8793

rdesktop: Remote code execution in cssp_read_tsrequest

rdesktop versions up to and including v1.8.3 contain a Heap-Based Buffer Overflow in function cssp_read_tsrequest() that results in a memory corruption and probably even a remote code execution.

CVSS 3.1 · 9.8 Critical EPSS 7.1% KEV · Not listed
Vendors
Debian Opensuse Rdesktop
Products
Debian Linux Leap Rdesktop
CVE-2018-8792

rdesktop: Denial of Service in cssp_read_tsrequest

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function cssp_read_tsrequest() that results in a Denial of Service (segfault).

CVSS 3.0 · 7.5 High EPSS 4.1% KEV · Not listed
Vendors
Debian Rdesktop
Products
Debian Linux Rdesktop
CVE-2018-8791

rdesktop: Minor information leak in rdpdr_process

rdesktop versions up to and including v1.8.3 contain an Out-Of-Bounds Read in function rdpdr_process() that results in an information leak.

CVSS 3.0 · 7.5 High EPSS 3.8% KEV · Not listed
Vendors
Debian Rdesktop
Products
Debian Linux Rdesktop
CVE-2018-20182

rdesktop: Remote code execution in seamless_process_line

rdesktop versions up to and including v1.8.3 contain a Buffer Overflow over the global variables in the function seamless_process_line() that results in memory corruption and probably even a remote code execution.

CVSS 3.0 · 9.8 Critical EPSS 8.2% KEV · Not listed
Vendors
Debian Rdesktop
Products
Debian Linux Rdesktop
CVE-2018-20181

rdesktop: Remote code execution in seamless_process

rdesktop versions up to and including v1.8.3 contain an Integer Underflow that leads to a Heap-Based Buffer Overflow in the function seamless_process() and results in memory corruption and probably even a remote code execution.

CVSS 3.0 · 9.8 Critical EPSS 8.2% KEV · Not listed
Vendors
Debian Rdesktop
Products
Debian Linux Rdesktop