GHSA-gj77-59wh-66hg

Regular Expression Denial of Service (ReDoS) in Prism

At a glance

Published
Updated
CVE
CVE-2021-32723
CVSS_V3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

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

Affected packages

PackageVersions
npm · prismjsintroduced 0, fixed 1.24.0

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database