X.Org X Server: Multiple vulnerabilities

Background The X Window System is a graphical windowing system based on a client/server model. Description Multiple vulnerabilities have been discovered in X.Org X Server. Please review the CVE identifiers referenced below for details. Impact A remote attacker could possibly execute arbitrary cod...

X.Org libX11 'MakeBigReq()' Macro Buffer Overflow Vulnerability

libX11 is the X11 X Window System client library run by the X.Org Foundation. A buffer overflow vulnerability exists in the X.Org libX11 'MakeBigReq' Macro. The vulnerability stems from a failure to adequately check user-supplied data before copying it into an adequately sized buffer. An attacker...

Scientific Linux Security Update : xorg-x11-server on SL6.x, SL7.x i386/x86_64 (20150410)

A buffer over-read flaw was found in the way the X.Org server handled XkbGetGeometry requests. A malicious, authorized client could use this flaw to disclose portions of the X.Org server memory, or cause the X.Org server to crash using a specially crafted XkbGetGeometry request. CVE-2015-0255...

CentOS Update for xorg-x11-server-common CESA-2015:0797 centos6

Check the version of xorg-x11-server-common SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CentOS 6 / 7 : xorg-x11-server (CESA-2015:0797)

Updated xorg-x11-server packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

CentOS Update for xorg-x11-server-common CESA-2015:0797 centos7

Check the version of xorg-x11-server-common SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

xorg security update

CentOS Errata and Security Advisory CESA-2015:0797 Updated xorg-x11-server packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS bas...

Moderate: Red Hat Security Advisory: xorg-x11-server security update

Updated xorg-x11-server packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 6 / 7 : xorg-x11-server (RHSA-2015:0797)

Updated xorg-x11-server packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

[SECURITY] Fedora 21 Update: libXfont-1.5.1-1.fc21

X.Org X11 libXfont runtime library...

X.Org libXfont bitmap/bdfread.c Null Pointer Reference Denial of Service Vulnerability

X.Org is an official reference implementation of the X Window System operated by the X.Org Foundation and is open source free software. libXfont is an X font handling library for servers and utilities. A security vulnerability in the 'bdfReadCharacters' function in the bitmap/bdfread.c file in...

[SECURITY] Fedora 22 Update: libXfont-1.5.1-1.fc22

X.Org X11 libXfont runtime library...

CVE-2015-1804

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly perform type conversion for metrics values, which allows remote authenticated users to cause a denial of service out-of-bounds memory access and possibly execute arbitrary co...

CVE-2015-1803

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service NULL pointer dereference and crash and possibly execute arbitrar...

DEBIAN-CVE-2015-1803

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service NULL pointer dereference and crash and possibly execute arbitrar...

CVE-2015-1803

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service NULL pointer dereference and crash and possibly execute arbitrar...

CVE-2015-1802

The bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 allows remote authenticated users to cause a denial of service out-of-bounds write and crash or possibly execute arbitrary code via a 1 negative or 2 large property count in a BDF font file...

CVE-2015-1802

The bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 allows remote authenticated users to cause a denial of service out-of-bounds write and crash or possibly execute arbitrary code via a 1 negative or 2 large property count in a BDF font file...

Null pointer dereference

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service NULL pointer dereference and crash and possibly execute arbitrar...

Out-of-bounds

The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly perform type conversion for metrics values, which allows remote authenticated users to cause a denial of service out-of-bounds memory access and possibly execute arbitrary co...