X.org X_server

97 CVEs affecting X.org X_server. Latest disclosed: 2026-07-08. Critical: 13, High: 51.

Top CVEs affecting X.org X_server
CVESeverityScorePublishedSummary
CVE-2023-6816Critical9.82024-01-18A flaw was found in X.Org server. Both DeviceFocusEvent and the XIQueryPointer reply contain a bit for each logical button currently down. Buttons can be arbit…
CVE-2017-12187Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X server to crash or possibly execute arbi…
CVE-2017-12186Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing length validation in X-Resource extension allowing malicious X client to cause X server to crash or possibly execute…
CVE-2017-12185Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly ex…
CVE-2017-12184Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing length validation in XINERAMA extension allowing malicious X client to cause X server to crash or possibly execute ar…
CVE-2017-12183Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing length validation in XFIXES extension allowing malicious X client to cause X server to crash or possibly execute arbi…
CVE-2017-12182Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing length validation in XFree86 DRI extension allowing malicious X client to cause X server to crash or possibly execute…
CVE-2017-12181Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing length validation in XFree86 DGA extension allowing malicious X client to cause X server to crash or possibly execute…
CVE-2017-12180Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing length validation in XFree86 VidModeExtension allowing malicious X client to cause X server to crash or possibly exec…
CVE-2017-12179Critical9.82018-01-24xorg-x11-server before 1.19.5 was vulnerable to integer overflow in (S)ProcXIBarrierReleasePointer functions allowing malicious X client to cause X server to c…
CVE-2017-12178Critical9.82018-01-24xorg-x11-server before 1.19.5 had wrong extra length check in ProcXIChangeHierarchy function allowing malicious X client to cause X server to crash or possibly…
CVE-2017-12177Critical9.82018-01-24xorg-x11-server before 1.19.5 was vulnerable to integer overflow in ProcDbeGetVisualInfo function allowing malicious X client to cause X server to crash or pos…
CVE-2017-12176Critical9.82018-01-24xorg-x11-server before 1.19.5 was missing extra length validation in ProcEstablishConnection function allowing malicious X client to cause X server to crash or…
CVE-2022-46344High8.82022-12-14A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIChangeProperty request has a length-validation issues, resulting in…
CVE-2022-46343High8.82022-12-14A vulnerability was found in X.Org. This security flaw occurs because the handler for the ScreenSaverSetAttributes request may write to memory after it has bee…
CVE-2022-46342High8.82022-12-14A vulnerability was found in X.Org. This security flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been f…
CVE-2022-46341High8.82022-12-14A vulnerability was found in X.Org. This security flaw occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked wi…
CVE-2022-46340High8.82022-12-14A vulnerability was found in X.Org. This security flaw occurs becuase the swap handler for the XTestFakeInput request of the XTest extension may corrupt the st…
CVE-2017-10971High8.82017-07-06In the X.Org X server before 2017-06-19, a user authenticated to an X Session could crash or execute code in the context of the X Server by exploiting a stack…
CVE-2026-55999High8.52026-07-08Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffe…