CVE-2009-2506 is a vulnerability that affects the Adobe Reader and Acrobat software. The flaw allows an attacker to execute arbitrary code on a victim's computer if they are able to convince the victim to open a specially crafted PDF file. The vulnerability was discovered in June 2009, and it affected all versions of Adobe Reader and Acrobat up to version 9.1.
The impact of CVE-2009-2506 was significant because Adobe Reader and Acrobat are widely used software programs for viewing and sharing PDF documents. Exploitation of this vulnerability could lead to unauthorized access to sensitive data, system compromise, and potentially widespread infection of systems. Adobe released a patch to address the vulnerability in July 2009, but the effectiveness of the patch was limited because many users did not update their software immediately.
The exploitation of CVE-2009-2506 became a popular attack vector among cybercriminals, who used it to distribute malicious PDF files through various means, such as email attachments and compromised websites. The vulnerability was also used in targeted attacks against specific individuals and organizations. In response to the widespread exploitation of this vulnerability, Adobe implemented additional security measures in later versions of Adobe Reader and Acrobat to prevent similar exploits from being successful in the future.