Is python-jose affected by CVE-2024-29370?

PyPI python-jose is affected in <=3.3.0.

Is CVE-2024-29370 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

medium

CVE-2024-29370

Q: Is CVE-2024-29370 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

PyPI · python-jose

Summary

In python-jose 3.3.0 (specifically jwe.decrypt), a vulnerability allows an attacker to cause a Denial-of-Service (DoS) condition by crafting a malicious JSON Web Encryption (JWE) token with an exceptionally high compression ratio. When this token is processed by the server, it results in significant

Severity: medium
EPSS: 0.2% (p6)
Also known as: GHSA-h4pw-wxh7-4vjj, PYSEC-2025-185
Published: 2025-12-17

References

https://github.com/mpdavis/python-jose/issues/344
https://github.com/advisories/GHSA-h4pw-wxh7-4vjj

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.