xorg-x11-server: Out-of-bounds access in XkbSetMap function

A flaw was found in the X.Org Server. An out-of-bounds access in the XkbSetMap function may lead to a privilege escalation vulnerability. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

Debian DLA-2486-1 : xorg-server security update

Jan-Niklas Sohn discovered that the XKB extension of the Xorg X server performed incomplete input validation, which could result in privilege escalation. For Debian 9 stretch, these problems have been fixed in version 2:1.19.2-1+deb9u7. We recommend that you upgrade your xorg-server packages. For...

USN-4656-2 xorg-server vulnerabilities

USN-4656-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could possibly use this issue to...

USN-4656-2: X.Org X Server vulnerabilities

USN-4656-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could possibly use this issue to...

[SECURITY] [DSA 4803-1] xorg-server security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4803-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff December 04, 2020 https://www.debian.org/security/faq -...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : X.Org X Server vulnerabilities (USN-4656-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4656-1 advisory. Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could...

USN-4656-1 xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04 vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could possibly use this issue to escalate privileges...

USN-4656-1: X.Org X Server vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could possibly use this issue to escalate privileges...

xorg-server -- Multiple input validation failures in X server XKB extension

The X.org project reports: These issues can lead to privileges elevations for authorized clients on systems where the X server is running privileged. Insufficient checks on the lengths of the XkbSetMap request can lead to out of bounds memory accesses in the X server. Insufficient checks on input...

USN-4490-1 xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04 vulnerability

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSetNames function. A local attacker could possibly use this issue to escalate privileges...

USN-4488-1 xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04 vulnerabilities

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the input extension protocol. A local attacker could possibly use this issue to escalate privileges. CVE-2020-14346 Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized memory. A local attacker could...

openSUSE Security Update : xorg-x11-server (openSUSE-2020-1302)

This update for xorg-x11-server fixes the following issues : - CVE-2020-14347: Leak of uninitialized heap memory from the X server to clients on pixmap allocation bsc1174633, ZDI-CAN-11426. - CVE-2020-14346: XIChangeHierarchy Integer Underflow Privilege Escalation Vulnerability bsc1174638,...

Security update for xorg-x11-server (important)

openSUSE Security Update: Security update for xorg-x11-server Announcement ID: openSUSE-SU-2020:1279-1 Rating: important References: 1174633 1174635 1174638 Cross-References: CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 Affected Products: openSUSE Leap 15.1 An update that fixes three...

Huawei EulerOS: Security Advisory for xorg-x11-server (EulerOS-SA-2017-1296)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 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...

libxkbcommon: NULL pointer dereference when handling xkb_geometry

Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkbgeometry section was mishandled...

openSUSE Security Update : libxkbcommon (openSUSE-2018-1418)

This update for libxkbcommon to version 0.8.2 fixes the following issues : - Fix a few NULL-dereferences, out-of-bounds access and undefined behavior in the XKB text format parser. - CVE-2018-15853: Endless recursion could have been used by local attackers to crash xkbcommon users by supplying a...

USN-3786-1: libxkbcommon vulnerabilities

It was discovered that libxkbcommon incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856, CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15861, CVE-2018-15862,...

[SECURITY] Fedora 27 Update: libxkbcommon-0.8.2-1.fc27

libxkbcommon is the X.Org library for compiling XKB maps into formats usabl e by the X Server or other display servers...

[SECURITY] Fedora 28 Update: libxkbcommon-0.8.2-1.fc28

libxkbcommon is the X.Org library for compiling XKB maps into formats usabl e by the X Server or other display servers...

CVE-2018-15861

Unchecked NULL pointer usage in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file that triggers an xkbinternatom failure...