CVE-2024-29370

PoC —

CVSS 3.1

5.3 medium

EPSS

<1%p8

Published

Dec 17, 2025 (Dec 17, 2025)

Modified

Jun 17, 2026

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.

Vendors: python-jose project
Products: python-jose
Weakness: CWE-409
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (0.2%)

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