{"cve":"CVE-2021-3777","nvd":{"published":"2021-09-15T08:15:06.673","modified":"2026-06-17T04:05:44.610","status":"Modified","description":"nodejs-tmpl 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:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1333"],"references":["https://github.com/daaku/nodejs-tmpl/commit/4c654e4d1542f329ed561fd95ccd80f30c6872d6","https://huntr.dev/bounties/a07b547a-f457-41c9-9d89-ee48bee8a4df","https://github.com/daaku/nodejs-tmpl/commit/4c654e4d1542f329ed561fd95ccd80f30c6872d6","https://huntr.dev/bounties/a07b547a-f457-41c9-9d89-ee48bee8a4df"],"products":["tmpl_project:tmpl"],"source":"nvd","synced_at":"2026-10-19T21:23:41.316049955+00:00"},"epss":{"cve":"CVE-2021-3777","score":0.01309,"percentile":0.70618,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jgrx-mgxx-jf9v","url":"https://osv.dev/vulnerability/GHSA-jgrx-mgxx-jf9v","summary":"tmpl vulnerable to Inefficient Regular Expression Complexity which may lead to resource exhaustion","modified":"2026-09-10T03:49:16.022360120Z","packages":[{"ecosystem":"npm","name":"tmpl","purl":"pkg:npm/tmpl","ranges":["<1.0.5"],"fixed":["1.0.5"]}]}],"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."]}