CVE-2024-33664

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-400

Affected software

Vendor	Product	Versions
n/a	n/a	n/a
python-jose_project	python-jose	<= 3.3.0

References

https://github.com/mpdavis/python-jose/issues/344Exploit, Issue Tracking, Mitigation, Vendor Advisory
https://github.com/mpdavis/python-jose/pull/345Issue Tracking, Patch
https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664Exploit, Mitigation, Third Party Advisory
https://github.com/mpdavis/python-jose/issues/344Exploit, Issue Tracking, Mitigation, Vendor Advisory
https://github.com/mpdavis/python-jose/pull/345Issue Tracking, Patch
https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664Exploit, Mitigation, Third Party Advisory

Timeline

Published: Apr 26, 2024
Last modified: Jun 17, 2026
NVD status: Analyzed

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