USN-3356-2: Expat vulnerability

19 July 2017

expat vulnerability

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

  • Ubuntu 12.04 ESM


Expat could be made to hang if it received specially crafted input.

Software Description

  • expat - XML parsing C library


USN-3356-1 fix a vulnerability in Expat. This update provides the corresponding udpate for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Expat incorrectly handled certain external entities. A remote attacker could possibly use this issue to cause Expat to hang, resulting in a denial of service.

Update instructions

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

Ubuntu 12.04 ESM
lib64expat1 - 2.0.1-7.2ubuntu1.5
libexpat1 - 2.0.1-7.2ubuntu1.5

To update your system, please follow these instructions:

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