{"action":"Upgrade ruby-saml to 1.18.1 or later.","affected":[{"fixed":"1.18.1","introduced":"0"}],"component":"ruby-saml","cve_ids":["CVE-2025-54572"],"ecosystem":"RubyGems","epss":0.00428,"exploited":false,"fixed_versions":["1.18.1"],"ghsa_id":"GHSA-rrqh-93c8-j966","id":"tcs_01M5KENBYWJKGV8DG5X04KB6RT","modified_at":"2026-09-10T03:50:26.252859842Z","published_at":"2025-07-30T13:20:05Z","references":["https://osv.dev/vulnerability/GHSA-rrqh-93c8-j966","https://github.com/SAML-Toolkits/ruby-saml/security/advisories/GHSA-rrqh-93c8-j966","https://nvd.nist.gov/vuln/detail/CVE-2025-54572","https://github.com/SAML-Toolkits/ruby-saml/pull/770","https://github.com/SAML-Toolkits/ruby-saml/commit/38ef5dd1ce17514e202431f569c4f5633e6c2709","https://github.com/SAML-Toolkits/ruby-saml","https://github.com/SAML-Toolkits/ruby-saml/releases/tag/v1.18.1","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/ruby-saml/CVE-2025-54572.yml","https://lists.debian.org/debian-lts-announce/2025/09/msg00001.html"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-rrqh-93c8-j966","url":"https://osv.dev/vulnerability/GHSA-rrqh-93c8-j966"}],"summary":"Ruby SAML DOS vulnerability with large SAML response"}