CVE-2016-9190
Pillow before 3.3.2 allows context-dependent attackers to execute arbitrary code by using the "crafted image file" approach, related to an "Insecure Sign Extension" issue affecting the ImagingNew in Storage.c component.
Date published : 2016-11-04
http://www.securityfocus.com/bid/94234
http://pillow.readthedocs.io/en/3.4.x/releasenotes/3.3.2.html