CVE-2015-4497

Name of the Vulnerable Software and Affected Versions Mozilla Firefox versions prior to 40.0.3 Firefox ESR versions prior to 38.2.1

Description The issue is related to a use-after-free vulnerability in the CanvasRenderingContext2D implementation, allowing remote attackers to execute arbitrary code. This is achieved by leveraging improper interaction between resize events and changes to Cascading Style Sheets (CSS) token sequences for a CANVAS element. The vulnerability can be exploited by a remote attacker to execute arbitrary code.

Recommendations For Mozilla Firefox versions prior to 40.0.3, update to version 40.0.3 or later to resolve the issue. For Firefox ESR versions prior to 38.2.1, update to version 38.2.1 or later to resolve the issue.