CVE-2023-39663

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.25%
Vendor Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/mathjax/MathJax/issues/3074 vendor advisory issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2023-39663?
CVE-2023-39663 has been scored as a high severity vulnerability.
How to fix CVE-2023-39663?
To fix CVE-2023-39663, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-39663 being actively exploited in the wild?
It is possible that CVE-2023-39663 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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