Denial of Service Vulnerability in Symfony HttpFoundation Component
CVE-2018-11386

5.9MEDIUM

Key Information:

Vendor: Sensiolabs
Status: Symfony
Vendor: CVE Published:; 13 June 2018

What is CVE-2018-11386?

A denial of service vulnerability exists in the HttpFoundation component of Symfony. The PDOSessionHandler class, which handles session storage via a PDO connection, can be exploited under certain configurations. A malicious actor could craft a specific payload to disrupt service, rendering a Symfony application unresponsive. This issue affects multiple version series of Symfony, highlighting the importance of updating to the most secure and stable releases.