Adobe Flash Player versions 32.0.0.171 and earlier, 32.0.0.171 and earlier, and 32.0.0.171 and earlier have a use after free vulnerability. Successful exploitation could lead to arbitrary code execution.
https://www.zerodayinitiative.com/advisories/ZDI-19-498/
https://helpx.adobe.com/security/products/flash-player/apsb19-26.html