{"id":"BIT-symfony-2020-5255","details":"In Symfony before versions 4.4.7 and 5.0.7, when a `Response` does not contain a `Content-Type` header, affected versions of Symfony can fallback to the format defined in the `Accept` header of the request, leading to a possible mismatch between the response's content and `Content-Type` header. When the response is cached, this can prevent the use of the website by other users. This has been patched in versions 4.4.7 and 5.0.7.","aliases":["CVE-2020-5255","GHSA-mcx4-f5f5-4859"],"modified":"2024-03-06T11:25:28.861Z","published":"2024-03-06T11:08:47.470Z","database_specific":{"cpes":["cpe:2.3:a:sensiolabs:symfony:*:*:*:*:*:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://github.com/symfony/symfony/commit/dca343442e6a954f96a2609e7b4e9c21ed6d74e6"},{"type":"WEB","url":"https://github.com/symfony/symfony/security/advisories/GHSA-mcx4-f5f5-4859"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C36JLPHUPKDFAX6D5WYFC4ALO2K7RDUQ/"},{"type":"WEB","url":"https://symfony.com/blog/cve-2020-5255-prevent-cache-poisoning-via-a-response-content-type-header"}],"affected":[{"package":{"name":"symfony","ecosystem":"Bitnami","purl":"pkg:bitnami/symfony"},"ranges":[{"type":"SEMVER","events":[{"introduced":"4.4.0"},{"fixed":"4.4.7"},{"introduced":"5.0.0"},{"fixed":"5.0.7"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/symfony/BIT-symfony-2020-5255.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}],"schema_version":"1.7.3"}