[USN-3947-1] Libxslt vulnerability

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-3947-1
April 15, 2019

libxslt vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Libxslt could be made to expose sensitive information if it received
a specially crafted file.

Software Description:
- libxslt: XSLT processing library

Details:

It was discovered that Libxslt incorrectly handled certain documents.
An attacker could possibly use this issue to access sensitive
information.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.10:
  libxslt1.1                      1.1.32-2ubuntu0.1

Ubuntu 18.04 LTS:
  libxslt1.1                      1.1.29-5ubuntu0.1

Ubuntu 16.04 LTS:
  libxslt1.1                      1.1.28-2.1ubuntu0.2

Ubuntu 14.04 LTS:
  libxslt1.1                      1.1.28-2ubuntu0.2

In general, a standard system update will make all the necessary
changes.

References:
  https://usn.ubuntu.com/usn/usn-3947-1
  CVE-2019-11068

Package Information:
  https://launchpad.net/ubuntu/+source/libxslt/1.1.32-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/libxslt/1.1.29-5ubuntu0.1
  https://launchpad.net/ubuntu/+source/libxslt/1.1.28-2.1ubuntu0.2
  https://launchpad.net/ubuntu/+source/libxslt/1.1.28-2ubuntu0.2
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