CVE-2021-32723

MEDIUM Year: 2021
CVSS v3 Score
6.5
Medium
CVSS v2 Score
4.3
Medium
Weakness Type
CWE-400
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Vulnerability Description

Prism is a syntax highlighting library. Some languages before 1.24.0 are vulnerable to Regular Expression Denial of Service (ReDoS). 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. This problem has been fixed in Prism v1.24. As a workaround, do not use ASCIIDoc or ERB to highlight untrusted text. Other languages are not affected and can be used to highlight untrusted text.

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