{"cve":"CVE-2017-18077","nvd":{"published":"2018-01-27T12:29:00.217","modified":"2026-06-17T01:12:09.717","status":"Modified","description":"index.js in brace-expansion before 1.1.7 is vulnerable to Regular Expression Denial of Service (ReDoS) attacks, as demonstrated by an expand argument containing many comma characters.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["https://bugs.debian.org/862712","https://github.com/juliangruber/brace-expansion/issues/33","https://github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3","https://nodesecurity.io/advisories/338","https://bugs.debian.org/862712"],"products":["brace_expansion_project:brace_expansion"],"source":"nvd","synced_at":"2026-10-19T20:48:34.567387330+00:00"},"epss":{"cve":"CVE-2017-18077","score":0.0258,"percentile":0.8522,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-832h-xg76-4gv6","url":"https://osv.dev/vulnerability/GHSA-832h-xg76-4gv6","summary":"ReDoS in brace-expansion","modified":"2023-11-08T03:59:15.193726Z","packages":[{"ecosystem":"npm","name":"brace-expansion","purl":"pkg:npm/brace-expansion","ranges":["<1.1.7"],"fixed":["1.1.7"]}]}],"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."]}