Provide references for CVE-2019-18886.
Where can I find more information about CVE-2019-18886?
References are available at: https://github.com/symfony/symfony/releases/tag/v4.3.8, https://symfony.com/blog/symfony-4-3-8-released, https://symfony.com/blog/cve-2019-18886-prevent-user-enumeration-using-switch-user-functionality.