Security updates are released for Adobe Flash Player to address the vulnerability. To exploit the vulnerability, a remote attacker would entice a targeted user to open a specially crafted web page, Flash file, or document with embedded malicious Flash content.
Please note that Adobe announced that the support for Adobe Flash will be ceased at the end of 2020 and no security updates will be provided after that. Users should arrange migrating to other supported technology.
A successful exploitation could lead to arbitrary code execution on an affected system.
Users of affected systems should update the Adobe Flash Player to the following versions to address the issues. The updates can be obtained by using the auto-update mechanism or by downloading at the following URLs:
If you have multiple browsers, you are required to perform the Adobe Flash Player update for each browser, the Flash Player version can be checked at:
http://www.adobe.com/software/flash/about/
https://helpx.adobe.com/security/products/flash-player/apsb19-30.html
https://www.hkcert.org/my_url/en/alert/19061202
https://www.us-cert.gov/ncas/current-activity/2019/06/11/Adobe-Releases-Security-Updates
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-7845