{"action":"Upgrade symfony to 3.4.20+dfsg-1 or later.","affected":[{"fixed":"3.4.20+dfsg-1","introduced":"0"}],"component":"symfony","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.4.20+dfsg-1"],"id":"tcs_01M5ND95M5AZM07DTX1ZJB0189","modified_at":"2026-10-23T18:03:04.125390823Z","published_at":"2018-12-18T22:29:05.040Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2018-19790","https://security-tracker.debian.org/tracker/CVE-2018-19790"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2018-19790#Debian:14/symfony","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2018-19790"}],"summary":"An open redirect was discovered in Symfony 2.7.x before 2.7.50, 2.8.x before 2.8.49, 3.x before 3.4.20, 4.0.x before 4.0.15, 4.1.x before 4.1.9 and 4.2.x before 4.2.1. By using backslashes in the `_fa"}