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https://www.drupal.org/SA-CORE-2018-005
https://github.com/symfony/symfony/commit/e447e8b92148ddb3d1956b96638600ec95e08f6b
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https://www.securityfocus.com/bid/104943/references
https://www.drupal.org/SA-CORE-2018-005
https://www.drupalcenter.de/aggregator/categories/7
https://symfony.com/blog/cve-2018-14773-remove-support-for-legacy-and-risky-http-headers