{"cve":"CVE-2024-33664","nvd":{"published":"2024-04-26T00:15:09.060","modified":"2026-06-17T07:32:11.450","status":"Analyzed","description":"python-jose through 3.3.0 allows attackers to cause a denial of service (resource consumption) during a decode via a crafted JSON Web Encryption (JWE) token with a high compression ratio, aka a \"JWT bomb.\" This is similar to CVE-2024-21319.","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:L","score":5.3},"cwes":["CWE-400"],"references":["https://github.com/mpdavis/python-jose/issues/344","https://github.com/mpdavis/python-jose/pull/345","https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664","https://github.com/mpdavis/python-jose/issues/344","https://github.com/mpdavis/python-jose/pull/345"],"products":["python-jose_project:python-jose"],"source":"nvd","synced_at":"2026-10-19T21:49:08.435428910+00:00"},"epss":{"cve":"CVE-2024-33664","score":0.00783,"percentile":0.5604,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-cjwg-qfpm-7377","url":"https://osv.dev/vulnerability/GHSA-cjwg-qfpm-7377","summary":"python-jose denial of service via compressed JWE content","modified":"2026-05-11T00:41:14.854282197Z","packages":[{"ecosystem":"PyPI","name":"python-jose","purl":"pkg:pypi/python-jose","ranges":["<3.4.0"],"fixed":["3.4.0"]}]},{"id":"PYSEC-2024-233","url":"https://osv.dev/vulnerability/PYSEC-2024-233","summary":"","modified":"2026-06-10T17:02:31.602922446Z","packages":[{"ecosystem":"PyPI","name":"python-jose","purl":"pkg:pypi/python-jose","ranges":["<3.4.0"],"fixed":["3.4.0"]}]}],"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."]}