CVE-2015-8125: Sensiolabs Symfony

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

Symfony 2.3.x before 2.3.35, 2.6.x before 2.6.12, and 2.7.x before 2.7.7 might allow remote attackers to have unspecified impact via a timing attack involving the (1) Symfony/Component/Security/Http/RememberMe/PersistentTokenBasedRememberMeServices or (2) Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener class in the Symfony Security Component, or (3) legacy CSRF implementation from the Symfony/Component/Form/Extension/Csrf/CsrfProvider/DefaultCsrfProvider class in the Symfony Form component.

Affected products

• Sensiolabs Symfony: version 2.3.0 only; version 2.3.1 only; version 2.3.2 only; version 2.3.3 only; version 2.3.4 only; version 2.3.5 only; …

Published 2015-12-07. Last modified 2026-06-17.