GitHub Advisoryadvisory · npm

GHSA-gj77-59wh-66hg Regular Expression Denial of Service (ReDoS) in Prism

HIGH Published 2021-06-28 Modified 2022-02-08 Official page ↗
Aliases
CVE-2021-32723
Ecosystem
npm
Packages
prismjs
Severity
High
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
Weaknesses
CWE-400
Reviewed
2021-06-28

Affected packages

• npm prismjs: < 1.24.0 → fixed in 1.24.0

Description

Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service (ReDoS). Impact When Prism is used to highlight untrusted (user-given) text, an attacker can craft a string that will take a very very long time to highlight. Do not use the following languages to highlight untrusted text. • ASCIIDoc • ERB Other languages are __not__ affected and can be used to highlight untrusted text. Patches This problem has been fixed in Prism v1.24. References • PrismJS/prism#2774 • PrismJS/prism#2688

Related

Alias · CVE (1)

  • CVE-2021-32723 Prism is a syntax highlighting library. vulnerability

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References