{"id":"CVE-2017-18077","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-18077","generatedAt":"2026-10-28T21:18:46.127Z","title":"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.","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.","published":"2018-01-27T12:29:00.000Z","lastModified":"2026-06-17T01:12:10.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-20"],"affected":["brace expansion project/brace expansion"],"epss":{"score":0.0258,"percentile":0.85139,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.58%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://bugs.debian.org/862712","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/juliangruber/brace-expansion/issues/33","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://nodesecurity.io/advisories/338","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://bugs.debian.org/862712","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/juliangruber/brace-expansion/issues/33","tags":["Exploit","Issue Tracking","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://nodesecurity.io/advisories/338","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-18077","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}