{"cve":"CVE-2015-8857","nvd":{"published":"2017-01-23T21:59:00.580","modified":"2026-06-17T00:35:22.707","status":"Modified","description":"The uglify-js package before 2.4.24 for Node.js does not properly account for non-boolean values when rewriting boolean expressions, which might allow attackers to bypass security mechanisms or possibly have unspecified other impact by leveraging improperly rewritten Javascript.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-254"],"references":["http://www.openwall.com/lists/oss-security/2016/04/20/11","http://www.securityfocus.com/bid/96410","https://nodesecurity.io/advisories/39","http://www.openwall.com/lists/oss-security/2016/04/20/11","http://www.securityfocus.com/bid/96410"],"products":["uglifyjs_project:uglifyjs"],"source":"nvd","synced_at":"2026-10-19T20:41:25.729257544+00:00"},"epss":{"cve":"CVE-2015-8857","score":0.03559,"percentile":0.8933,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-34r7-q49f-h37c","url":"https://osv.dev/vulnerability/GHSA-34r7-q49f-h37c","summary":"Incorrect Handling of Non-Boolean Comparisons During Minification in uglify-js","modified":"2024-02-16T08:16:42.823655Z","packages":[{"ecosystem":"npm","name":"uglify-js","purl":"pkg:npm/uglify-js","ranges":["<2.4.24"],"fixed":["2.4.24"]},{"ecosystem":"RubyGems","name":"uglifier","purl":"pkg:gem/uglifier","ranges":["<2.7.2"],"fixed":["2.7.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}