CVE-2017-18077

Name: CVE-2017-18077
Creator: NVD / NIST
Published: 2018-01-27T12:29:00.217+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.63%

Last modified Jun 17, 2026

CVE-2017-18077 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.63% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

2.63%

83.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Brace Expansion Project	Brace Expansion	< 1.1.7

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

Timeline

Published: Jan 27, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2017-18077?

Severity scoring for CVE-2017-18077 is pending analysis. The EPSS model estimates a 2.63% probability of exploitation in the next 30 days.

How do I fix CVE-2017-18077?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-18077?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST