CVE-2024-33664: python-jose denial of service via compressed JWE content

CVE-2024-33664 · Severity: low · CVSS 3.1 · Published 2024-04-26

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.

Technologies: python-jose (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2024-33664 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2024-33664 being exploited in the wild.
How severe is CVE-2024-33664?
Low severity, with a CVSS score of 3.1, published 26 April 2024.
Which products and versions are affected?
python-jose (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.0.
Is there a fix for CVE-2024-33664?
Yes. python-jose (PyPI): upgrade to 3.4.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2024-33664?
Check whether you run python-jose (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • python-jose (PyPI): upgrade to 3.4.0 or later
    pip install "python-jose>=3.4.0"

Affected products

  • python-jose (PyPI) ECOSYSTEM:introduced=0,fixed=3.4.0

Identifiers

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

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