Skip to main content
No exploitation reportedFix available

CVE-2018-1109

No exploitation reported by the sources we read.

  • Published2021-03-30
  • Fixed in2.3.1
  • WeaknessCWE-185 · CWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was found in Braces versions 2.2.0 and above, prior to 2.3.1. Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) attacks.

Timeline

dates in UTC
  1. 2021-03-3002:15CVE publishedNVD

Versions per branch

NVD · OSV
Braces project braces
BranchAffectedFixed in
2.3< 2.3.12.3.1
2.x≥ 2.2.0, < 2.3.12.3.1

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2018-1109 Red Hat Product Security1 product fixed

    nodejs-braces: Regular Expression Denial of Service (ReDoS) in lib/parsers.js

  • RHSA-2021:3917 Red Hat Product Security1 product fixed

    Red Hat Security Advisory: Red Hat Quay v3.6.0 security, bug fix and enhancement update

Full record on NVD

Fix

  1. Update Braces project braces to 2.3.1
  2. Vendor fix Red Hat Product Security RHSA-2021:3917 · 1 productFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.15.3read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • CNAweakness (CWE)CWE-185known since 2026-10-23
  • NVDweakness (CWE)CWE-400read 2026-10-23
  • FIRST EPSSEPSS score1.4 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryLOW2021-03-31

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published
2021-03-30
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-cwfw-4gq5-mrqx

Frequently asked questions

What is CVE-2018-1109?

A vulnerability was found in Braces versions 2.2.0 and above, prior to 2.3.1. Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) attacks.

Is CVE-2018-1109 actively exploited?

Active exploitation of CVE-2018-1109 has not been confirmed. Its EPSS score was 1.4% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1109?

CVE-2018-1109 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Running braces? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record