{"cve":"CVE-2022-40899","nvd":{"published":"2022-12-23T00:15:14.110","modified":"2026-06-17T05:02:13.347","status":"Modified","description":"An issue discovered in Python Charmers Future 0.18.2 and earlier allows remote attackers to cause a denial of service via crafted Set-Cookie header from malicious web server.","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-400"],"references":["https://github.com/PythonCharmers/python-future/blob/master/src/future/backports/http/cookiejar.py#L215","https://github.com/PythonCharmers/python-future/pull/610","https://github.com/python/cpython/pull/17157","https://pypi.org/project/future/","https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/"],"products":["pythoncharmers:python-future"],"source":"nvd","synced_at":"2026-10-19T21:37:31.370122805+00:00"},"epss":{"cve":"CVE-2022-40899","score":0.01941,"percentile":0.80135,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v3c5-jqr6-7qm8","url":"https://osv.dev/vulnerability/GHSA-v3c5-jqr6-7qm8","summary":"Python Charmers Future denial of service vulnerability","modified":"2025-04-15T18:55:40.131868Z","packages":[{"ecosystem":"PyPI","name":"future","purl":"pkg:pypi/future","ranges":["<0.18.3"],"fixed":["0.18.3"]}]},{"id":"PYSEC-2022-42991","url":"https://osv.dev/vulnerability/PYSEC-2022-42991","summary":"","modified":"2026-06-10T17:01:17.773881552Z","packages":[{"ecosystem":"PyPI","name":"future","purl":"pkg:pypi/future","ranges":["<0.18.3"],"fixed":["0.18.3"]}]}],"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."]}