{"id":"GHSA-v638-q856-grg8","summary":"MathJax Regular expression Denial of Service (ReDoS)","details":"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.\n\n","aliases":["CVE-2023-39663"],"modified":"2026-09-10T03:49:57.725467096Z","published":"2023-08-29T21:30:21Z","database_specific":{"nvd_published_at":"2023-08-29T20:15:09Z","cwe_ids":["CWE-1333"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2024-01-31T00:02:46Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39663"},{"type":"WEB","url":"https://github.com/mathjax/MathJax/issues/3074"}],"affected":[{"package":{"name":"mathjax","ecosystem":"npm","purl":"pkg:npm/mathjax"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"2.7.9"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/08/GHSA-v638-q856-grg8/GHSA-v638-q856-grg8.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}