TippingPoint Zero Day Initiative

Adobe Reader DC XSLT Parsing value-of Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI-16-538: October 11th, 2016


CVSS Score

Affected Vendors

Affected Products

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Adobe Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the AXSLE library. The process does not properly validate user-supplied data which can result in a read past the end of an allocated object. An attacker can leverage this vulnerability to execute code under the context of the current process.

Vendor Response

Adobe has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2016-08-30 - Vulnerability reported to vendor
    2016-10-11 - Coordinated public release of advisory


This vulnerability was discovered by:
    Wei Lei and Liu Yang of Nanyang Technological University.