{"id":"CVE-2021-33502","details":"The normalize-url package before 4.5.1, 5.x before 5.3.1, and 6.x before 6.0.1 for Node.js has a ReDoS (regular expression denial of service) issue because it has exponential performance for data: URLs.","aliases":["GHSA-px4h-xg32-q955"],"modified":"2026-05-16T04:03:05.816458216Z","published":"2021-05-24T16:15:08.133Z","related":["ALSA-2021:5171","ALSA-2022:0350","ALSA-2022:6595"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:a:normalize-url_project:normalize-url:*:*:*:*:*:node.js:*:*"],"extracted_events":[{"introduced":"4.3.0"},{"fixed":"4.5.1"},{"introduced":"5.0.0"},{"fixed":"5.3.1"}],"source":"CPE_FIELD","vendor_product":"normalize-url_project:normalize-url"}]},"references":[{"type":"ADVISORY","url":"https://github.com/sindresorhus/normalize-url/releases/tag/v6.0.1"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20210706-0001/"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}