CVE-2017-18077
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.
Does this matter?
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.
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 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.58% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- brace expansion project/brace expansion
- Source
- cve@mitre.org
EPSS 2.6% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://bugs.debian.org/862712Third Party Advisory
- https://github.com/juliangruber/brace-expansion/issues/33Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3Patch, Third Party Advisory
- https://nodesecurity.io/advisories/338Exploit, Third Party Advisory
- https://bugs.debian.org/862712Third Party Advisory
- https://github.com/juliangruber/brace-expansion/issues/33Exploit, Issue Tracking, Patch, Third Party Advisory
- https://github.com/juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3Patch, Third Party Advisory
- https://nodesecurity.io/advisories/338Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.