UBUNTU-CVE-2017-12180

xorg-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 execute arbitrary code...

UBUNTU-CVE-2017-12183

xorg-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 arbitrary code...

UBUNTU-CVE-2017-12182

xorg-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 arbitrary code...

UBUNTU-CVE-2017-12186

xorg-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 arbitrary code...

UBUNTU-CVE-2017-12187

xorg-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 arbitrary code...

UBUNTU-CVE-2017-12185

xorg-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 execute arbitrary code...

UBUNTU-CVE-2017-12184

xorg-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 arbitrary code...

xorg-server -- multiple vulnerabilities

Adam Jackson reports: One regression fix since 1.19.4 mea culpa, and fixes for CVEs 2017-12176 through 2017-12187...

CVE-2017-12177

xorg-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 possibly execute arbitrary code...

UBUNTU-CVE-2017-12177

xorg-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 possibly execute arbitrary code...

CVE-2017-12187

xorg-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 arbitrary code...

CVE-2017-12185

xorg-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 execute arbitrary code...

CVE-2017-12179

xorg-x11-server before 1.19.5 was vulnerable to integer overflow in SProcXIBarrierReleasePointer functions allowing malicious X client to cause X server to crash or possibly execute arbitrary code...

DEBIAN-CVE-2017-13723

In X.Org Server aka xserver and xorg-server before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp...

CVE-2017-13723

In X.Org Server aka xserver and xorg-server before 1.19.4, a local attacker authenticated to the X server could overflow a global buffer, causing crashes of the X server or potentially other problems by injecting large or malformed XKB related atoms and accessing them via xkbcomp...

DEBIAN-CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...

FreeBSD : xorg-server -- multiple vulnabilities (4f8ffb9c-f388-4fbd-b90f-b3131559d888)

Alan Coopersmith reports : X.Org thanks Michal Srb of SuSE for finding these issues and bringing them to our attention, Julien Cristau of Debian for getting the fixes integrated, and Adam Jackson of Red Hat for publishing the release. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The...

CVE-2017-13721

CVE-2017-13721 affects X.Org Server (xserver/xorg-server) prior to 1.19.4. The issue arises in ProcShmCreateSegment: a shmseg resource id can belong to a non-existing client, causing X server aborts with FatalError or overwriting another client’s segment. This can enable a local attacker to crash...

X.Org X Server 'xkbtext.c' Denial of Service Vulnerability

X.Org X Server is an X Window System display server from the X.Org Foundation. A denial of service vulnerability exists in X.Org X Server 'xkbtext.c'. An attacker could exploit this vulnerability to cause a denial of service...

UBUNTU-CVE-2017-13721

In X.Org Server aka xserver and xorg-server before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session...