The vulnerability, which affects Flash Player 10.2.153.1 and earlier versions for Windows, Macintosh, Linux and Solaris, could cause a crash and potentially allow an attacker to take control of the affected system.
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The vulnerability also affects version 10.2.154.25 and earlier for Chrome users, version 10.2.156.12 and earlier for Android, the Authplay.dll component that ships with Adobe Reader and Acrobat X (10.0.2) and earlier 10.x and 9.x versions for Windows and Macintosh operating systems.
Adobe expects to release a security update for Flash Player 10.2.x and earlier versions for Windows, Macintosh, Linux and Solaris on 15 April 2011.
The company is aiming to release an update for Adobe Acrobat X (10.0.2) and earlier 10.x and 9.x versions for Windows and Macintosh, Adobe Reader X (10.0.1) for Macintosh, and Adobe Reader 9.4.3 and earlier 9.x versions for Windows and Macintosh no later than the week of 25 April 2011.
"Because Adobe Reader X Protected Mode would prevent an exploit of this kind from executing, we are currently planning to address this issue in Adobe Reader X for Windows with the next quarterly security update for Adobe Reader, currently scheduled for 14 June 2011," the advisory said.