USN-3356-1: Expat vulnerability
Ubuntu Security Notice USN-3356-1
19th July, 2017
expat vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Expat could be made to hang if it received specially crafted input.
Software description
- expat - XML parsing C library
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 version:
- Ubuntu 17.04:
- libexpat1 2.2.0-2ubuntu0.1
- lib64expat1 2.2.0-2ubuntu0.1
- Ubuntu 16.10:
- libexpat1 2.2.0-1ubuntu0.1
- lib64expat1 2.2.0-1ubuntu0.1
- Ubuntu 16.04 LTS:
- libexpat1 2.1.0-7ubuntu0.16.04.3
- lib64expat1 2.1.0-7ubuntu0.16.04.3
- Ubuntu 14.04 LTS:
- libexpat1 2.1.0-4ubuntu1.4
- lib64expat1 2.1.0-4ubuntu1.4
To update your system, please follow these instructions: http://ift.tt/17VXqjU.
In general, a standard system update will make all the necessary changes.
References
from Ubuntu Security Notices http://ift.tt/2tH8A9y