The Adobe Product Security Incident Response Team updated security bulletins for Adobe Flash Player in a blog post today, with one vulnerability patched in Flash Player. Adobe assigned a Moderate severity rating to the vulnerability. The vulnerability impacts Windows, Mac, Linux and ChromeOS operating systems running Flash Player 220.127.116.11 (Windows, Mac) and earlier. Refer to the Affected Product Versions chart for specific product and version information for each platform. The Moderate rating means that an exploited vulnerability “is limited to a significant degree by factors such as default configuration, auditing, or is difficult to exploit.”
Adobe assigned the Flash Player vulnerability a Priority 2 rating, except for Linux (Priority 3). Vulnerabilities categorized as Priority 2 are at a elevated risk of being targeted with no known exploits. Adobe recommends applying the update that resolves the vulnerability as soon as possible by updating to Flash Player 18.104.22.168. Refer to the Solution chart for the specific updated version for each platform.
Certain web browsers, such as Google Chrome and Microsoft Edge, already have Flash Player built-in. As such, Chrome will automatically update itself when new versions of Flash Player are available. Nonetheless, it is always a good practice to check for updates yourself. You are responsible for keeping yourself safe while online.
It has been one month since Adobe last released security updates for Flash Player. On November 14, 2017, Adobe released an update that patched 5 critical vulnerabilities in Flash Player.
References for December 12, 2017, Adobe Flash Player Critical Update
Adobe Security Bulletin: Security updates available for Adobe Flash Player
Adobe PSIRT Blog Post: Security Bulletins posted
US-CERT: Adobe Releases Security Updates (pending)
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