{"id":"GHSA-9fmg-89fx-r33w","aliases":["BIT-silverstripe-2021-41559","CVE-2021-41559"],"title":"Quadratic blowup in Convert::xml2array()","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","description":"Silverstripe silverstripe/framework 4.x until 4.10.9 has a quadratic blowup in Convert::xml2array() that enables a remote attack via a crafted XML document.","severity":"medium","score":6.5,"published":"2022-06-29T22:39:50.000Z","modified":"2024-02-16T08:05:23.605Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"silverstripe/framework","sources":[{"name":"OSV · GHSA-9fmg-89fx-r33w","url":"https://osv.dev/vulnerability/GHSA-9fmg-89fx-r33w"}],"ranges":[{"events":[{"introduced":"4.0.0"},{"fixed":"4.10.9"}],"type":"ECOSYSTEM"}],"versions":["4.0.0","4.0.1","4.0.1-rc1","4.0.2","4.0.3","4.0.4","4.0.5","4.0.6","4.0.7","4.1.0","4.1.0-rc1","4.1.0-rc2","4.1.1","4.1.2","4.1.3","4.1.4","4.1.5","4.10.0","4.10.0-beta1","4.10.0-rc1","4.10.1","4.10.2","4.10.3","4.10.4","4.10.5","4.10.6","4.10.7","4.10.8","4.2.0","4.2.0-beta1","4.2.1","4.2.2","4.2.3","4.2.4","4.2.5","4.3.0","4.3.0-rc1","4.3.1","4.3.2","4.3.3","4.3.4","4.3.5","4.4.0","4.4.0-rc1","4.4.1","4.4.2","4.4.3","4.4.4","4.4.5","4.4.6","4.4.7","4.5.0","4.5.0-alpha1","4.5.0-rc1","4.5.0-rc2","4.5.1","4.5.2","4.5.3","4.5.4","4.6.0","4.6.0-beta1","4.6.0-rc1","4.6.1","4.6.2","4.7.0","4.7.0-beta1","4.7.0-rc1","4.7.1","4.7.2","4.7.3","4.7.4","4.8.0","4.8.0-beta1","4.8.0-rc1","4.8.1","4.9.0","4.9.0-alpha1","4.9.0-beta1","4.9.0-rc1","4.9.1","4.9.2","4.9.3","4.9.4"],"fixed":["4.10.9"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2021-41559","https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2021-41559.yaml","https://github.com/silverstripe/silverstripe-framework/releases","https://www.silverstripe.org/download/security-releases","https://www.silverstripe.org/download/security-releases/cve-2021-41559"],"sources":[{"name":"OSV","id":"GHSA-9fmg-89fx-r33w","modified":"2024-02-16T08:05:23.605879Z","url":"https://osv.dev/vulnerability/GHSA-9fmg-89fx-r33w"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T01:45:31.656Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}