{"action":"Upgrade composer to 2.0.9-2 or later.","affected":[{"fixed":"2.0.9-2","introduced":"0"}],"component":"composer","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.0.9-2"],"id":"tcs_01M5NFJABX7GG2FCPWJFZHWNQE","modified_at":"2026-10-23T18:03:08.779188828Z","published_at":"2021-04-27T21:15:08.067Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-29472","https://security-tracker.debian.org/tracker/CVE-2021-29472"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-29472","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-29472"}],"summary":"Composer is a dependency manager for PHP. URLs for Mercurial repositories in the root composer.json and package source download URLs are not sanitized correctly. Specifically crafted URL values allow"}