CVE-2026-41521

xrdp is an open source RDP server. Versions 0.10.6 and prior contain an integer overflow vulnerability when processing screen update messages within the vnc-any connection mode. A malicious remote VNC server can send crafted image dimensions that cause an integer overflow during memory buffer siz...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly handling screen updates in a disabled state of the downstream interface, which could lead to a...

QEMU: I/O: potential memory exhaustion via websock connection to VNC

A memory leakage issue was found in the I/O channels websockets implementation of the Quick Emulator QEMU. It could occur while sending screen updates to a client, which is slow to read and process them further. A privileged guest user could use this flaw to cause a denial of service on the host...

CVE-2008-1944

Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer PVFB Message 3.0 through 3.0.3 allows local users to cause a denial of service SDL crash and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of message...

PVFB SDL backend chokes on bogus screen updates

Buffer overflow in the backend framebuffer of XenSource Xen Para-Virtualized Framebuffer PVFB Message 3.0 through 3.0.3 allows local users to cause a denial of service SDL crash and possibly execute arbitrary code via "bogus screen updates," related to missing validation of the "format of message...