USN-5064-2: GNU cpio vulnerability

USN-5064-2: GNU cpio vulnerability

USN-5064-1 fixed vulnerabilities in GNU cpio. This update provides
the corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

Maverick Chung and Qiaoyi Fang discovered that cpio incorrectly handled
certain pattern files. A remote attacker could use this issue to cause cpio
to crash, resulting in a denial of service, or possibly execute arbitrary
code.
Source: USN-5064-2: GNU cpio vulnerability