python-jose denial of service via compressed JWE content

GHSA-cjwg-qfpm-7377 · CVE-2024-33664 · PYSEC-2024-233

Published Apr 26, 2024 · Modified May 11, 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.

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-33664
WEB https://github.com/mpdavis/python-jose/issues/344
WEB https://github.com/mpdavis/python-jose/pull/345
PACKAGE https://github.com/mpdavis/python-jose
WEB https://github.com/mpdavis/python-jose/releases/tag/3.4.0
WEB https://github.com/pypa/advisory-database/tree/main/vulns/python-jose/PYSEC-2024-233.yaml
WEB https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664

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