Adobe released a security update to address a vulnerability found in the Adobe Flash Player. To exploit the vulnerability, a remote attacker would entice a targeted user to open a specially crafted Flash file, web page, 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. The support for Adobe Acrobat XI 11.x and Adobe Reader XI 11.x ended on 15.10.2017. Users should arrange migrating to other supported technology.
A successful exploitation could lead to information disclosure on an affected system.
Upgrade Adobe Flash Player to the following versions to address the issue. The upgrade 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 upgrade 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/apsb18-31.html
https://www.hkcert.org/my_url/en/alert/18091202
https://www.us-cert.gov/ncas/current-activity/2018/09/11/Adobe-Releases-Security-Updates
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15967