TippingPoint Zero Day Initiative

Google Chrome Pdfium JPEG2000 Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI-16-243: April 15th, 2016


CVSS Score

Affected Vendors

Affected Products

Vulnerability Details

This vulnerability allows an attacker to leak sensitive information on vulnerable installations of Google Chrome. 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 handling of JPEG2000 images. A specially crafted JPEG2000 image embedded inside a PDF can force Google Chrome to read memory past the end of an allocated object. An attacker can leverage this vulnerability to disclose the contents of adjacent memory.

Vendor Response

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

Disclosure Timeline

    2016-03-04 - Vulnerability reported to vendor
    2016-04-15 - Coordinated public release of advisory


This vulnerability was discovered by: