{"id":"CVE-2021-3807","revision":"23b579b7e5cc4e4da50f947e52e6d1c1","records":[{"revision":"23b579b7e5cc4e4da50f947e52e6d1c1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-3807","aliases":[],"title":"Inefficient Regular Expression Complexity in chalk/ansi-regex","description":"ansi-regex is vulnerable to Inefficient Regular Expression Complexity","state":0,"publishedAt":"2021-09-17T00:00:00+00:00","modifiedAt":"2026-10-08T21:14:08.869+00:00","affected":[{"ecosystem":"Vendor product","name":"chalk/ansi-regex","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"chalk\",\n                    \"product\": \"chalk/ansi-regex\",\n                    \"versions\": [\n                        {\n                            \"version\": \"unspecified\",\n                            \"lessThan\": \"6.0.1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"version\": \"unspecified\",\n                            \"lessThan\": \"5.0.1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        },\n                        {\n                            \"version\": \"5.0.1\",\n                            \"status\": \"unaffected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://huntr.dev/bounties/5b3cf33b-ede0-4398-9974-800876dfd994","https://github.com/chalk/ansi-regex/commit/8d1d7cdb586269882c4bdc1b7325d0c58c8f76f9","https://www.oracle.com/security-alerts/cpuapr2022.html","https://security.netapp.com/advisory/ntap-20221014-0002/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-3807","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-3807","identifiers":["CVE-2021-3807"]},"retained":false,"historicalAffected":[]}],"coverage":[]}