MathJax Regular expression Denial of Service (ReDoS)

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.

Recommendation

No fix is available yet. Followings are affected versions:

• <= 2.7.9

References

• GHSA-v638-q856-grg8
• CVE-2023-39663
• CWE-1333
• CAPEC-310
• OWASP 2021-A6

Related Issues

• rollbar vulnerable to Prototype Pollution in merge() - CVE-2025-62517
• Prototype Pollution in lodash (GHSA-p6mc-m468-83gw) 4 - CVE-2020-8203
• Prototype Pollution in lodash (GHSA-p6mc-m468-83gw) 3 - CVE-2020-8203
• Prototype Pollution in lodash (GHSA-p6mc-m468-83gw) 2 - CVE-2020-8203

Tags:

npm

mathjax