Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2017-18077

25
FAUCET Score

CVE-2017-18077 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting the brace-expansion library (specifically index.js before version 1.1.7) within the brace_expansion_project. This vulnerability, rated 7.5 HIGH, allows unauthenticated remote attackers to trigger a denial of service by providing a specially crafted input with numerous comma characters to the expand argument, requiring low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1.7CPE matchmatch criteria
cpe:2.3:a:brace_expansion_project:brace_expansion:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.58%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0258 is in the 71st percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (11)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: brace-expansionFixed in: 1.1.7
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7Fixed in: rh-nodejs8-nodejs-0:8.17.0-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUSFixed in: rh-nodejs8-nodejs-0:8.17.0-2.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUSFixed in: rh-nodejs8-nodejs-0:8.17.0-2.el7
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Quay 3Fixed in: quay/quay-rhel8
redhatno patchvia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-nodejs8-nodejs-brace-expansion
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Enterprise 3Fixed in: nodejs-brace-expansion
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-nodejs4-nodejs-brace-expansion
redhatend of lifevia redhat_api
Product: Red Hat Software CollectionsFixed in: rh-nodejs6-nodejs-brace-expansion
redhatend of lifevia redhat_api
Product: Red Hat Mobile Application Platform 4Fixed in: fh-aaa

Vendor Advisories (2)

npmGHSA-832h-xg76-4gv6high

ReDoS in brace-expansion

Jan 29, 2018
redhatCVE-2017-18077Moderate

nodejs-brace-expansion: Regular expression denial of service

Mar 2, 2017

References

bugs.debian.org / 862712
Third Party Advisory
github.com / juliangruber/brace-expansion/issues/33
ExploitIssue TrackingPatchThird Party Advisory
github.com / juliangruber/brace-expansion/pull/35/commits/b13381281cead487cbdbfd6a69fb097ea5e456c3
PatchThird Party Advisory
nodesecurity.io / advisories/338
ExploitThird Party Advisory