CVE-2023-39663
JavaScript vulnerability analysis and mitigation

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.


SourceNVD

Related JavaScript vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-22787HIGH8.7
  • JavaScriptJavaScript
  • html2pdf.js
NoYesJan 14, 2026
CVE-2026-22820MEDIUM6.3
  • JavaScriptJavaScript
  • outray
NoYesJan 14, 2026
CVE-2026-22819MEDIUM5.9
  • JavaScriptJavaScript
  • outray
NoYesJan 14, 2026
CVE-2026-22036LOW3.7
  • JavaScriptJavaScript
  • node-undici
NoYesJan 14, 2026
GHSA-73rr-hh4g-fpgxLOWN/A
  • JavaScriptJavaScript
  • diff
NoYesJan 14, 2026

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