CVE-2024-29370
Medium
Description
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 memory allocation and processing time during decompression.
SeverityMedium
CVSS5.3
Exploit probability—
ProductPython-jose
PublishedDec 17, 2025
First seenDec 17, 2025
Weakness typeCWE-409CWE-409
How to fix
Update
- python-jose3.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| python-jose_project python-jose | 3.3.0 | — |
| python-josePyPI | v < 3.4.0, v ≤ 3.3.0 | 3.4.0 |
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