{"action":"Upgrade symfony to 4.4.19+dfsg-3 or later.","affected":[{"fixed":"4.4.19+dfsg-3","introduced":"0"}],"component":"symfony","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.4.19+dfsg-3"],"id":"tcs_01M5NG02K6TTRSSB4V7A596673","modified_at":"2026-10-23T18:03:38.738653968Z","published_at":"2021-11-24T19:15:07.887Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-41270","https://security-tracker.debian.org/tracker/CVE-2021-41270"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-41270#Debian:14/symfony","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-41270"}],"summary":"Symfony/Serializer handles serializing and deserializing data structures for Symfony, a PHP framework for web and console applications and a set of reusable PHP components. Symfony versions 4.1.0 befo"}