High severity · published Aug 29, 2023
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
7.5
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mathjax · Mathjax
through 2.7.9 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-39663
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-39663
Exploit
https://github.com/mathjax/MathJax/issues/3074
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