CVE-2013-4752: Fedoraproject Fedora

Medium severity, CVSS 6.1. EPSS: 2.3% chance of exploitation in the next 30 days.

Symfony 2.0.X before 2.0.24, 2.1.X before 2.1.12, 2.2.X before 2.2.5, and 2.3.X before 2.3.3 have an issue in the HttpFoundation component. The Host header can be manipulated by an attacker when the framework is generating an absolute URL. A remote attacker could exploit this vulnerability to inject malicious content into the Web application page and conduct various attacks.

Affected products

• Fedoraproject Fedora: version 18 only; version 19 only
• Sensiolabs Symfony: from 2.0.0, before 2.0.24 (fixed in 2.0.24); from 2.1.0, before 2.1.12 (fixed in 2.1.12); from 2.2.0, before 2.2.5 (fixed in 2.2.5); from 2.3.0, before 2.3.3 (fixed in 2.3.3)

Published 2020-01-02. Last modified 2026-06-16.