USN-3739-1: libxml2 vulnerabilities

14 August 2018

Several security issues were fixed in libxml2.

Releases

Packages

  • libxml2 - GNOME XML library

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.
This issue only affected Ubuntu 18.04 LTS. (CVE-2017-16932)

It was discovered that libxml2 incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2017-18258, CVE-2018-14404, CVE-2018-14567)

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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

Related notices

  • USN-3504-1: python3-libxml2, python-libxml2, libxml2, libxml2-utils
  • USN-3504-2: python-libxml2, libxml2, libxml2-utils
  • USN-3739-2: python-libxml2, libxml2, libxml2-utils