{"id":"CVE-2024-33664","aliases":["GHSA-cjwg-qfpm-7377","PYSEC-2024-233"],"url":"https://o3.security/vulnerability/CVE-2024-33664","summary":"python-jose denial of service via compressed JWE content","details":"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.","published":"2024-04-25T00:00:00Z","modified":"2026-07-15T01:49:21.314827800Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"python-jose","fixedVersion":"3.4.0"}],"fix":{"url":"https://github.com/mpdavis/python-jose/pull/345","label":"mpdavis/python-jose#345"},"references":[{"type":"WEB","url":"https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/33xxx/CVE-2024-33664.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-33664"},{"type":"REPORT","url":"https://github.com/mpdavis/python-jose/issues/344"},{"type":"FIX","url":"https://github.com/mpdavis/python-jose/pull/345"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:49:21.314827800Z"}}