这表示攻击企图利用 Adobe Flash Player 中的远程代码执行漏洞。该漏洞是由于易受攻击的软件处理恶意制作的 PNG 图像时发生的错误造成的。远程攻击者可能能够利用此漏洞通过精心制作的 PNG 图像在受影响应用程序的上下文中执行任意代码。

Adobe Flash Player Desktop Runtime 21.0.0.226 and earlier on Windows and Macintosh Adobe Flash Player Extended Support Release 18.0.0.343 and earlier on Windows and Macintosh Adobe Flash Player for Google Chrome 21.0.0.216 and earlier on Windows, Macintosh and Linux Adobe Flash Player for Microsoft Edge and Internet Explorer 11 21.0.0.241 and earlier on Windows 10 Adobe Flash Player for Internet Explorer 10 and 11 21.0.0.241 and earlier on Windows 8.0 and 8.1 Adobe Flash Player for Linux 11.2.202.616 and earlier on Linux AIR Desktop Runtime 21.0.0.198 and earlier on Windows and Macintosh AIR SDK 21.0.0.198 and earlier on Windows, Macintosh, Android and iOS AIR SDK & Compiler 21.0.0.198 and earlier on Windows, Macintosh, Android and iOS

系统被入侵：远程攻击者可以控制易受攻击的系统。

应用供应商提供的最新升级或补丁。 http://helpx.adobe.com/security/products/flash-player/apsb16-15.html