Apple QuickTime is an extensible multimedia framework, capable of handling various formats of digital video, picture, sound, panoramic images, and interactivity. QuickTime is bundled with OS X. QuickTime for Microsoft Windows is downloadable as a standalone installation. Apple Ends Support for QuickTime for Windows this year and the last security update was released in January 2016.

There was a memory corruption vulnerability found in QuickTime product which allows remote attackers to execute arbitrary code or cause a denial of service via a crafted Photoshop file. The vulnerability is referred by CVE as CVE-2016-1769. A security patch was released for OS X El Capitan v10.11 to v10.11.3. However, for QuickTime Window versions, please remove the application to eliminate the possibility of being attacked.

Dell SonicWALL researcher team has investigated this vulnerability and released the following signature to protect their customers:

• SPY: 4493 Malformed-File psd.TL.1