Adobe Security Bulletin APSB18-42 for Adobe Flash Player describes a flaw that can possibly lead to privilege escalation when Flash Player is used to play a specially crafted SWF file: Insecure Library Loading (DLL hijacking) -- CVE-2018-15983 External References: https://helpx.adobe.com/security/products/flash-player/apsb18-42.html
DLL hijacking would not be applicable to the Linux versions of Adobe Flash Player.