Skip to content

MathJax Regular expression Denial of Service (ReDoS)

High severity GitHub Reviewed Published Aug 29, 2023 to the GitHub Advisory Database • Updated Jan 31, 2024

Package

npm mathjax (npm)

Affected versions

<= 2.7.9

Patched versions

None

Description

Mathjax up to v2.7.9 was discovered to contain two Regular expression Denial of Service (ReDoS) vulnerabilities in MathJax.js via the components pattern and markdownPattern. NOTE: the vendor disputes this because the regular expressions are not applied to user input; thus, there is no risk.

References

Published by the National Vulnerability Database Aug 29, 2023
Published to the GitHub Advisory Database Aug 29, 2023
Reviewed Jan 31, 2024
Last updated Jan 31, 2024

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2023-39663

GHSA ID

GHSA-v638-q856-grg8

Source code

No known source code
Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.