Following an official security bulletin, Adobe has released a major update to Flash which patches a number of critical vulnerabilities, brings silent updates to OS X in preparation for Mountain Lion and packs a sandboxed Firefox plugin, which has been in talks since February, reports Computerworld.

Adobe’s silent update feature first hit Windows in late March, and we’ve known about its impending arrival on Macs since May, thanks to an early beta release. With these updates, Flash continues to show Mac users love, but there are no signs that Flash will eventually be available in Apple’s Mac App Store, meaning that those with the upcoming Gatekeeper feature left on its highest security setting may never have a chance to download the plugin at all.

From Adobe:

Adobe released security updates for Adobe Flash Player 11.2.202.235 and earlier versions for Windows, Macintosh and Linux, Adobe Flash Player 11.1.115.8 and earlier versions for Android 4.x, and Adobe Flash Player 11.1.111.9 and earlier versions for Android 3.x and 2.x. These updates address vulnerabilities that could cause a crash and potentially allow an attacker to take control of the affected system.

Flash Silent Updater on Mac Adobe updates Flash with 7 security patches, silent updates for OS X and a sandboxed Firefox plug inImage via Computerworld

In terms of the security flaws, Computerworld states that Flash’s most recent vulnerabilities included everything from “memory corruption, integer and stack overflow” to “security bypass bugs.” At the moment, these flaws have yet to be targeted maliciously, and with Adobe’s update they hopefully won’t be.

This is apparently the fifth security update for Flash in just 2012, leaving a sour taste in our mouths about the software’s usefulness as Flash declines in popularity amongst developers.

You can learn more from Adobe’s security bulletin, here.