Regular Expression Denial of Service (ReDoS) in braces

Also known as GHSA-cwfw-4gq5-mrqx

Published 5 y ago 2021-03-30 · modified 4 mo ago 2026-06-17 · JSON

CVSS

5.3

v3.1 · NVD

CISA KEV

not known exploited

EPSS

1.4%

percentile 72%

Public exploits

none known

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.

Exploit prediction (EPSS)

1.39% probability of exploitation in the next 30 days, higher than 72% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.1	5.3	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`
NVD	2.0	5.0	`AV:N/AC:L/Au:N/C:N/I:N/A:P`

Affected packages

Ecosystem	Package	Affected	Fixed in
npm	`braces`	>=2.2.0, <2.3.1	2.3.1

Affected products

n/a nodejs-braces

Classification

Weakness

CWE-185 Incorrect Regular Expression
CWE-400 Uncontrolled Resource Consumption

References

bugzilla.redhat.com /show_bug.cgi?id=1547272 · x_refsource_MISC, x_transferred
snyk.io /vuln/npm:braces:20180219 · x_refsource_MISC, x_transferred
nvd.nist.gov /vuln/detail/CVE-2018-1109 · advisory
github.com /micromatch/braces/commit/abdafb0cae1e0c00f184abbadc692f4eaa98f451 · web

Sources

CVE List: CVE-2018-1109
GitHub Advisory: GHSA-cwfw-4gq5-mrqx
NVD: CVE-2018-1109

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary