=========================================================================Ubuntu Security Notice USN-3356-2
July 19, 2017
expat vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
Expat could be made to hang if it received specially crafted input.
Software Description:
- expat: XML parsing C library
Details:
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
In general, a standard system update will make all the necessary
changes.
References:
https://ubuntu.com/security/notices/USN-3356-2
https://ubuntu.com/security/notices/USN-3356-1
CVE-2017-9233
