==========================================================================
Ubuntu Security Notice USN-3454-1
October 12, 2017

libffi vulnerability
==========================================================================

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

– Ubuntu 14.04 LTS

Summary:

A security issue was fixed in libffi.

Software Description:
– libffi: Foreign Function Interface library

Details:

It was discovered that libffi incorrectly enforced an executable stack. An
attacker could possibly use this issue, in combination with another
vulnerability, to facilitate executing arbitrary code.

Update instructions:

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

Ubuntu 14.04 LTS:
libffi6 3.1~rc1+r3.0.13-12ubuntu0.2

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

References:
https://www.ubuntu.com/usn/usn-3454-1
CVE-2017-1000376

Package Information:
https://launchpad.net/ubuntu/+source/libffi/3.1~rc1+r3.0.13-12ubuntu0.2

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