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Vulnerability of xkbcommon: multiple vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of xkbcommon.
Impacted systems: Fedora, McAfee Web Gateway, openSUSE Leap, Solaris, RHEL, SLES, Ubuntu.
Severity of this alert: 2/4.
Number of vulnerabilities in this bulletin: 12.
Creation date: 30/08/2018.
Références of this alert: CVE-2018-15853, CVE-2018-15854, CVE-2018-15855, CVE-2018-15856, CVE-2018-15857, CVE-2018-15858, CVE-2018-15859, CVE-2018-15860, CVE-2018-15861, CVE-2018-15862, CVE-2018-15863, CVE-2018-15864, FEDORA-2018-11ed8d95e2, FEDORA-2018-4295467df0, openSUSE-SU-2018:3802-1, RHSA-2019:2079-01, SUSE-SU-2018:3685-1, USN-3786-1, USN-3786-2, VIGILANCE-VUL-27107.

Description of the vulnerability 

An attacker can use several vulnerabilities of xkbcommon.
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This computer weakness alert impacts software or systems such as Fedora, McAfee Web Gateway, openSUSE Leap, Solaris, RHEL, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this weakness note is medium.

The trust level is of type confirmed by the editor, with an origin of document.

This bulletin is about 12 vulnerabilities.

An attacker with a expert ability can exploit this weakness bulletin.

Solutions for this threat 

Fedora: new libxkbcommon packages.
New packages are available:
  Fedora 27: libxkbcommon 0.8.2-1.fc27
  Fedora 28: libxkbcommon 0.8.2-1.fc28

McAfee Web Gateway: version 8.2.2.
The version 8.2.2 is fixed:
  https://www.mcafee.com/enterprise/en-us/downloads/my-products.html

McAfee Web Gateway: version 9.0.
The version 9.0 is fixed:
  https://www.mcafee.com/enterprise/en-us/downloads/my-products.html

openSUSE Leap 15.0: new libxkbcommon packages.
New packages are available:
  openSUSE Leap 15.0: libxkbcommon 0.8.2-lp150.2.3.1

Oracle Solaris: patch for third party software of Januray 2020 v1.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

RHEL 7: new xorg packages.
New packages are available:
  RHEL 7: xorg 1.20.4-7.el7

SUSE LE 15: new libxkbcommon packages.
New packages are available:
  SUSE LE 15 RTM: libxkbcommon 0.8.2-3.3.1

Ubuntu: new libxkbcommon packages.
New packages are available:
  Ubuntu 16.04 LTS: libxkbcommon0 0.5.0-1ubuntu2.1
  Ubuntu 14.04 LTS: libxkbcommon0 0.4.1-0ubuntu1.1
  Ubuntu 18.04 LTS: libxkbcommon0 0.8.0-1ubuntu0.1

Wind River Linux: solution (28/11/2018).
The solution is indicated in information sources.
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