[USN-3786-2] libxkbcommon vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Tue Nov 6 16:09:15 UTC 2018
==========================================================================
Ubuntu Security Notice USN-3786-2
November 06, 2018
libxkbcommon vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
Summary:
Several security issues were fixed in libxkbcommon.
Software Description:
- libxkbcommon: library interface to the XKB compiler - development
files
Details:
USN-3786-1 fixed several vulnerabilities in libxkbcommon. This
update provides the corresponding update for Ubuntu 18.04 LTS.
Original advisory details:
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, CVE-2018-15863, CVE-2018-15864)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 18.04 LTS:
libxkbcommon-x11-0 0.8.0-1ubuntu0.1
libxkbcommon0 0.8.0-1ubuntu0.1
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3786-2
https://usn.ubuntu.com/usn/usn-3786-1
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, CVE-2018-15863, CVE-2018-15864
Package Information:
https://launchpad.net/ubuntu/+source/libxkbcommon/0.8.0-1ubuntu0.1
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