CVE-2024-33664 python-jose denial of service via compressed JWE content
Attackers can cause denial of service via resource consumption using crafted JWE tokens in the python-jose library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-33664?
CVE-2024-33664 is a medium-severity denial of service vulnerability in n/a, published on 25 Apr 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-400
Which versions are affected by CVE-2024-33664?
3 open source packages ship an affected version, including python-jose. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
python-jose PyPI | All versions | 3.4.0 |
python-jose PyPI | All versions | 3.4.0 |
python-jose PyPI | All versions | 3.4.0 |
Linux distribution packages (2)
python-python-jose SUSE:Package Hub 15 SP5 | All versions | 3.0.1-bp155.3.6.1 |
python-python-jose openSUSE:Leap 15.5 | All versions | 3.0.1-bp155.3.6.1 |
Products include Python-Jose Project Python-Jose.
How do I fix CVE-2024-33664?
Upgrade python-jose to 3.4.0 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-33664 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-33664 exists.
Other vulnerabilities in n/a
Sources
Also known as CLSA-2025-1758845544, DEBIAN-CVE-2024-33664, GHSA-cjwg-qfpm-7377, PYSEC-2024-233, UBUNTU-CVE-2024-33664, openSUSE-SU-2024:0149-1.