{"id":"CVE-2018-11408","aliases":["GHSA-7hwc-2cq4-6x2w"],"url":"https://o3.security/vulnerability/CVE-2018-11408","summary":"Symfony Open Redirect","details":"The security handlers in the Security component in Symfony in 2.7.x before 2.7.48, 2.8.x before 2.8.41, 3.3.x before 3.3.17, 3.4.x before 3.4.11, and 4.0.x before 4.0.11 have an Open redirect vulnerability when security.http_utils is inlined by a container.  NOTE: this issue exists because of an incomplete fix for CVE-2017-16652.","published":"2018-06-13T16:29:01.203Z","modified":"2026-10-24T10:30:51.072795026Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"2.7.48"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"2.8.41"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"3.3.17"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"3.4.11"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"4.0.11"},{"ecosystem":"Packagist","name":"symfony/security-bundle","fixedVersion":"2.7.48"},{"ecosystem":"Packagist","name":"symfony/security-bundle","fixedVersion":"2.8.41"},{"ecosystem":"Packagist","name":"symfony/security-bundle","fixedVersion":"3.3.17"},{"ecosystem":"Packagist","name":"symfony/security-bundle","fixedVersion":"3.4.11"},{"ecosystem":"Packagist","name":"symfony/security-bundle","fixedVersion":"4.0.11"}],"fix":{"url":"https://github.com/symfony/symfony/commit/b20e83562e32c56f8d9b8296ab07b0e4c0a54db8","label":"symfony/symfony@b20e835"},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4XNBMFW33H47O5TZGA7JYCVLDBCXAJV/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBQK7JDXIELADIPGZIOUCZKMAJM5LSBW/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WU5N2TZFNGXDGMXMPP7LZCWTFLENF6WH/"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/03/msg00009.html"},{"type":"ADVISORY","url":"https://symfony.com/blog/cve-2018-11408-open-redirect-vulnerability-on-security-handlers"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11408"},{"type":"WEB","url":"https://github.com/symfony/symfony/commit/b20e83562e32c56f8d9b8296ab07b0e4c0a54db8"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-bundle/CVE-2018-11408.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2018-11408.yaml"},{"type":"PACKAGE","url":"https://github.com/symfony/symfony"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G4XNBMFW33H47O5TZGA7JYCVLDBCXAJV"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBQK7JDXIELADIPGZIOUCZKMAJM5LSBW"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WU5N2TZFNGXDGMXMPP7LZCWTFLENF6WH"},{"type":"WEB","url":"https://symfony.com/cve-2018-11408"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:51.072795026Z"}}