Heap-based buffer overflow in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous before 2015.009.20069 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-6698.
https://helpx.adobe.com/security/products/acrobat/apsb15-24.html
http://www.zerodayinitiative.com/advisories/ZDI-15-569