CVE-2024-33664: python-jose denial of service via compressed JWT tokens

April 26, 2024

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

github.com/advisories/GHSA-cjwg-qfpm-7377
github.com/mpdavis/python-jose
github.com/mpdavis/python-jose/issues/344
github.com/mpdavis/python-jose/pull/345
nvd.nist.gov/vuln/detail/CVE-2024-33664

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