xorg: xwayland: X.Org X server: Information exposure and denial of service via out-of-bounds memory access

A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash,...

CLSA-2025-1743071343 tigervnc: Fix of CVE-2025-26601

CVE-2025-26601: xorg-x11-server: fix use-after-free issue by adding check to ensure new sync object is added before alarm triggers...

UBUNTU-CVE-2022-2320

A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker...

AZL-44349 CVE-2021-4008 affecting package xorg-x11-server 1.20.10-6

A flaw was found in xorg-x11-server in versions before 21.1.2 and before 1.20.14. An out-of-bounds access can occur in the SProcRenderCompositeGlyphs function. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

xorg-x11-server denial of service vulnerability

The xorg-x11-server is an X Window System display server bundled with multiple vendor operating systems. A security vulnerability exists in the 'ProcEstablishConnection' function in versions of xorg-x11-server prior to 1.19.5, which stems from a lack of extra length detection in the program. An...