{"id":"CVE-2021-3777","aliases":["GHSA-jgrx-mgxx-jf9v"],"url":"https://o3.security/vulnerability/CVE-2021-3777","summary":"tmpl vulnerable to Inefficient Regular Expression Complexity which may lead to resource exhaustion","details":"nodejs-tmpl is vulnerable to Inefficient Regular Expression Complexity","published":"2021-09-15T08:15:06.673Z","modified":"2026-08-13T21:42:06.261873998Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"tmpl","fixedVersion":"1.0.5"}],"fix":{"url":"https://github.com/daaku/nodejs-tmpl/commit/4c654e4d1542f329ed561fd95ccd80f30c6872d6","label":"daaku/nodejs-tmpl@4c654e4"},"references":[{"type":"FIX","url":"https://github.com/daaku/nodejs-tmpl/commit/4c654e4d1542f329ed561fd95ccd80f30c6872d6"},{"type":"FIX","url":"https://huntr.dev/bounties/a07b547a-f457-41c9-9d89-ee48bee8a4df"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-13T21:42:06.261873998Z"}}