Public Vulnerability Reports

Adobe Flash Player URL Parsing Heap Overflow Vulnerability



Adobe Flash Player is Flash Player is a cross-platform browser plug-in that delivers interactive content for Web experiences. For more information, please visit following page:


Remote exploitation of a heap overflow vulnerability in Adobe Systems Inc's Flash Player could allow an attacker to execute arbitrary code with the privileges of the current user.

When a specifically crafted URL is passed to Flash Player, a heap overflow can occur and could result in arbitrary code execution.


Exploitation of this vulnerability allows the attacker to execute arbitrary code with the privileges of the current user. To exploit this vulnerability, a targeted user must load a malicious Web page created by an attacker. An attacker typically accomplishes this via social engineering techniques or injecting content into compromised, trusted sites.


iDefense confirmed the existence of this vulnerability in Flash Player Other versions may also be affected.


iDefense is unaware of any effective workaround for this vulnerability.


Adobe has released an update which addresses this issue. For more information, consult their advisory (APSB09-10) at the following URL:


The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2009-1868 to this issue. This is a candidate for inclusion in the CVE list (, which standardizes names for security problems.


04/09/2009 - Initial Contact
04/09/2009 - PoC Requested
04/09/2009 - PoC Sent
07/30/2009 - Adobe releases update for Flash
08/05/2009 - iDefense requests clarification
08/06/2009 - Adobe clarifies fixed issue
08/06/2009 - Public disclosure


This vulnerability was discovered by Jun Mao, iDefense Labs

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Copyright © 2009 Verisign, Inc.

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