{"cve":"CVE-2022-21195","nvd":{"published":"2022-05-20T20:15:09.827","modified":"2026-06-17T04:25:43.260","status":"Modified","description":"All versions of package url-regex are vulnerable to Regular Expression Denial of Service (ReDoS) which can cause the CPU usage to crash.","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/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py","https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643","https://github.com/AlexFlipnote/url_regex/blob/master/url_regex/url_regex.py","https://snyk.io/vuln/SNYK-PYTHON-URLREGEX-2347643"],"products":["url-regex_project:url-regex"],"source":"nvd","synced_at":"2026-10-19T21:31:59.322382750+00:00"},"epss":{"cve":"CVE-2022-21195","score":0.01361,"percentile":0.71758,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hg3w-7hj9-m3f7","url":"https://osv.dev/vulnerability/GHSA-hg3w-7hj9-m3f7","summary":"Regular expression denial of service in url_regex","modified":"2026-03-13T21:56:30.037527Z","packages":[{"ecosystem":"PyPI","name":"url-regex","purl":"pkg:pypi/url-regex","ranges":["<=1.0.4"],"fixed":[]}]}],"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."]}