{"id":"GHSA-x3wr-v4wx-5qpc","summary":"Prototype Pollution","details":"Prototype pollution vulnerability in ‘expand-hash’ versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.","aliases":["CVE-2021-25948"],"modified":"2023-11-08T04:05:18.201025Z","published":"2021-06-21T17:14:01Z","database_specific":{"nvd_published_at":"2021-06-10T12:15:00Z","cwe_ids":["CWE-1321","CWE-915"],"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2021-06-14T19:29:17Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25948"},{"type":"PACKAGE","url":"https://github.com/doowb/expand-hash"},{"type":"WEB","url":"https://github.com/doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19"},{"type":"WEB","url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948"}],"affected":[{"package":{"name":"expand-hash","ecosystem":"npm","purl":"pkg:npm/expand-hash"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.0.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/06/GHSA-x3wr-v4wx-5qpc/GHSA-x3wr-v4wx-5qpc.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}