What is CVE-2023-39663?

CVE-2023-39663 is a high-severity vulnerability in Mathjax, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2023-08-29.

How severe is CVE-2023-39663?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Mathjax

CVE-2023-39663

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.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.007 (49.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mathjax
N/a — versions n/a

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

cve@mitre.org (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-39663?: CVE-2023-39663 is a high-severity vulnerability in Mathjax, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2023-08-29.
How severe is CVE-2023-39663?: High severity. CVSS v3 base score is 7.5 out of 10.