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Ubuntu Security Notice USN-3947-2
April 15, 2019

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

- Ubuntu 12.04 ESM

Summary:

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

Software Description:
- libxslt: XSLT processing library

Details:

USN-3947-1 fixed a vulnerability in Libxslt. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory 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 12.04 ESM:
  libxslt1.1                      1.1.26-8ubuntu1.5

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

References:
  https://usn.ubuntu.com/usn/usn-3947-2
  https://usn.ubuntu.com/usn/usn-3947-1
  CVE-2019-11068