{"cve":"CVE-2021-3801","nvd":{"published":"2021-09-15T13:15:08.360","modified":"2026-06-17T04:05:47.697","status":"Modified","description":"prism is vulnerable to Inefficient Regular Expression Complexity","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-1333"],"references":["https://github.com/prismjs/prism/commit/0ff371bb4775a131634f47d0fe85794c547232f9","https://huntr.dev/bounties/8c16ab31-6eb6-46d1-b9a4-387222fe1b8a","https://github.com/prismjs/prism/commit/0ff371bb4775a131634f47d0fe85794c547232f9","https://huntr.dev/bounties/8c16ab31-6eb6-46d1-b9a4-387222fe1b8a"],"products":["prismjs:prism"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-3801","score":0.01036,"percentile":0.63924,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hqhp-5p83-hx96","url":"https://osv.dev/vulnerability/GHSA-hqhp-5p83-hx96","summary":"prismjs Regular Expression Denial of Service vulnerability","modified":"2023-11-08T04:06:25.064044Z","packages":[{"ecosystem":"npm","name":"prismjs","purl":"pkg:npm/prismjs","ranges":["<1.25.0"],"fixed":["1.25.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}