Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable use after free vulnerability in the Primetime SDK functionality related to the profile metadata of the media stream. Successful exploitation could lead to arbitrary code execution.
https://security.gentoo.org/glsa/201707-15
https://helpx.adobe.com/security/products/flash-player/apsb17-17.html
https://access.redhat.com/errata/RHSA-2017:1439