Adobe Acrobat Reader versions 11.0.19 and earlier, 15.006.30280 and earlier, 15.023.20070 and earlier have an exploitable memory corruption vulnerability in the JPEG 2000 engine, related to image scaling. Successful exploitation could lead to arbitrary code execution.
https://helpx.adobe.com/security/products/acrobat/apsb17-11.html
http://www.zerodayinitiative.com/advisories/ZDI-17-267/