CVE-2023-39663

HIGH

MathJax < 2.7.9 - Regular Expression Denial of Service via Pattern Matching

Title source: llm

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 (1)

Core 1

Core References

Exploit, Issue Tracking, Vendor Advisory

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

Scores

CVSS v3 7.5

EPSS 0.0070

EPSS Percentile 48.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-1333

Status published

Products (2)

mathjax/mathjax < 2.7.9

npm/mathjax 0npm

Published Aug 29, 2023

Tracked Since Feb 18, 2026