On Monday, Adobe released a security update for a serious vulnerability within Reader and Acrobat. The vulnerability described in CVE-2008-2641 is being circulated on the Internet. Adobe says if exploited the vulnerability could crash applications and could allow an attacker to take control of the affected system.

The update affects Adobe Reader 8.0 through 8.1.2, Adobe Reader 7.0.9 and earlier, Adobe Acrobat Professional, 3D and Standard 8.0 through 8.1.2, Adobe Acrobat Professional, 3D and Standard 7.0.9 and earlier. It does not affect Adobe Reader 7.1.0 and Acrobat 7.1.0.