USN-3739-2: libxml2 vulnerabilities

14 August 2018

libxml2 vulnerabilities

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

  • Ubuntu 12.04 ESM

Summary

Several security issues were fixed in libxml2.

Software Description

  • libxml2 - GNOME XML library

Details

USN-3739-1 fixed a vulnerability in libxml2. This update provides the corresponding update for Ubuntu 12.04.

Original advisory details:

Matias Brutti discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information. (CVE-2016-9318)

It was discovered that libxml2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14404)

Update instructions

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

Ubuntu 12.04 ESM
libxml2 - 2.7.8.dfsg-5.1ubuntu4.21
libxml2-utils - 2.7.8.dfsg-5.1ubuntu4.21
python-libxml2 - 2.7.8.dfsg-5.1ubuntu4.21

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References