CVE-2014-5245

All 2.2.X, 2.3.X, 2.4.X, and 2.5.X versions of the Symfony HttpKernel component are affected by this security issue. Your application is vulnerable only if the ESI feature is enabled and there is a proxy in front of the web application. This issue has been fixed in Symfony 2.3.19, 2.4.9, and 2.5....

Sensitive Information Disclosure

Symfony is vulnerable to Sensitive Information Disclosure. The vulnerability is due to the FragmentHandler considering all fragment render requests as coming from a trusted source, regardless of their origin, due to the inability to distinguish between legitimate ESI requests by a trusted proxy...