MEDIUM

CVE-2024-29370

CVSS v3

5.3

MEDIUM

EPSS Score

0.2 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

Get an alert for each new CVE published for python-jose.

Set up CVE WatchFree account · no credit card

Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

python-josePyPIall versions · fixed in 3.4.0

Vendor advisories

CVE-2024-29370 Red Hat Product Security3 known affected
python-jose: python-jose: Denial-of-Service via malicious JSON Web Encryption (JWE) token decompression
ansible-automation-platform-25/lightspeed-chatbot-rhel8 as a component of Red Hat Ansible Automation Platform 2 · python-jose.src as a component of Red Hat Ansible Automation Platform 2 · rhoai/odh-llama-stack-core-rhel9 as a component of Red Hat OpenShift AI (RHOAI)

Full record on NVD

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.

Technical details

Published: 2025-12-17

Frequently asked questions

What is CVE-2024-29370?

Is CVE-2024-29370 actively exploited?

Active exploitation of CVE-2024-29370 has not been confirmed. Its EPSS score was 0.2% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-29370?

CVE-2024-29370 has a CVSS v3 base score of 5.3 (MEDIUM severity).

Running python-jose? Hear about its next vulnerability

CVE Watch matches each new CVE to the vendors and products you list (vendor and product, not the version) and puts it in your alerts with its KEV and EPSS status.

Get alerts for this product CISA KEV additions, October 2026 Search CVEs

Already have an account? Open CVE WatchNo credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
Running this software? CVE Watch alerts you to new vulnerabilities in your products.

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database