Internet Bug Bounty: Adobe Flash Player ShimContentResolver(resolverType=0) class Memory Corruption Vulnerability

I. Summary
Adobe Flash Player is prone to a vulnerability which leads to memory corruption because of improper validation of ShimContentResolver.resolve().

II. Description
Normally, resolve() should validate its parameter with canResolve() and returns error in AS3 level if anything goes wrong.
However, if ShimContentResolver is constructed with resolverType=0, then invoking resolve() with invalid Opportunity instance, some inner fields of ShimContentResolver will be absent, which will cause a memory crash.

III. Credit
Wen Guanxing from Pangu LAB is credited for this vulnerability.

It has been assigned by Adobe as CVE-2016-4154.
https://helpx.adobe.com/security/products/flash-player/apsb16-18.html