
CVE catalog
CVE-2023-39663
UBUNTU-CVE-2023-39663
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.82% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | mathjax | 14.04 | 2.2-1 | vulnerable |
| Ubuntu | mathjax | 14.04 | 2.3-1 | vulnerable |
| Ubuntu | mathjax | 16.04 | 2.5.3-1 | vulnerable |
| Ubuntu | mathjax | 16.04 | 2.6.0-1 | vulnerable |
| Ubuntu | mathjax | 16.04 | 2.6.1-1 | vulnerable |
| Ubuntu | mathjax | 18.04 | 2.7.0-2ubuntu1 | vulnerable |
| Ubuntu | mathjax | 18.04 | 2.7.2+dfsg-1 | vulnerable |
| Ubuntu | mathjax | 18.04 | 2.7.3+dfsg-1 | vulnerable |
| Ubuntu | mathjax | 20.04 | 2.7.4+dfsg-1 | vulnerable |
| Ubuntu | mathjax | 22.04 | 2.7.9+dfsg-1 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.