CVE-2023-39663

Published: Aug 29, 2023Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Mathjax: Mathjax

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mathjax Mathjax	Up to 2.7.9

Related CWEs

Inefficient Regular Expression Complexity

The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

References (2)

https://github.com/mathjax/MathJax/issues/3074

Source: cve@mitre.org

ExploitIssue TrackingVendor Advisory

https://github.com/mathjax/MathJax/issues/3074

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue TrackingVendor Advisory

Timeline

No history available yet.