Mathjax up to 2.7.9 MathJax.js redos

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Mathjax up to 2.7.9 and classified as problematic. Impacted is an unknown function of the file MathJax.js. Such manipulation leads to redos. This vulnerability is listed as CVE-2023-39663. There is no available exploit.

Detailsinfo

A vulnerability was found in Mathjax up to 2.7.9 and classified as problematic. Affected by this issue is an unknown code of the file MathJax.js. The manipulation with an unknown input leads to a redos vulnerability. Using CWE to declare the problem leads to CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. Impacted is availability. CVE summarizes:

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.

The weakness was presented 08/30/2023 as 3074. The advisory is available at github.com. This vulnerability is handled as CVE-2023-39663 since 08/07/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1449.003 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 276116 (TencentOS Server 4: mathjax (TSSA-2025:0638)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (276116). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 276116
Nessus Name: TencentOS Server 4: mathjax (TSSA-2025:0638)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/07/2023 🔍
08/30/2023 +23 days 🔍
08/30/2023 +0 days 🔍
11/24/2025 +817 days 🔍

Sourcesinfo

Product: github.com

Advisory: 3074
Status: Confirmed

CVE: CVE-2023-39663 (🔍)
GCVE (CVE): GCVE-0-2023-39663
GCVE (VulDB): GCVE-100-238298

Entryinfo

Created: 08/30/2023 07:11
Updated: 11/24/2025 13:31
Changes: 08/30/2023 07:11 (38), 09/22/2023 15:10 (11), 08/02/2024 22:07 (16), 11/24/2025 13:31 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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