USN-3947-1: Libxslt vulnerability

15 April 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


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

Software Description

  • libxslt - XSLT processing library


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

To update your system, please follow these instructions:

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