python-jose through 3.3.0 allows attackers to cause a denial of service (resource…
Priority MEDIUM 63CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00777 56th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed python-jose (PyPI): 3.4.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | python-jose (PyPI) | before 3.4.0 | 3.4.0 | Patch available | GHSA-cjwg-qfpm-7377 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- python-jose (PyPI) Vendor— Affected before 3.4.0 Fixed in 3.4.0 Patch available GHSA-cjwg-qfpm-7377
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:python-jose_project:python-jose:*:*:*:*:*:*:*:* | up to 3.3.0 | Vulnerable | Python-jose Project |
- cpe:2.3:a:python-jose_project:python-jose:*:*:*:*:*:*:*:* Versions up to 3.3.0 Vulnerable ·Python-jose Project
Remediation
- Fix · GHSA-cjwg-qfpm-7377 python-jose (PyPI) Fixed in 3.4.0 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Ansible Automation Platform 2
Timeline
- 2026-10-02 Threatist record created from CVE-2024-33664
- 2026-10-03 Alias added: GHSA-cjwg-qfpm-7377
References
Exploit 2
More Python-jose Project Python-jose vulnerabilities
- TI-2024-19433 In python-jose 3.3.0 (specifically jwe.decrypt), a vulnerability allows an attacker to… CVSS 3.1MEDIUM 5.3
- TI-2024-22247 python-jose through 3.3.0 has algorithm confusion with OpenSSH ECDSA keys and other key… CVSS 3.1MEDIUM 6.5
- TI-2016-06047 python-jose before 1.3.2 allows attackers to have unspecified impact by leveraging… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2024-33664 · CVE Program
- CVE-2024-33664 · NVD
- FIRST EPSS
- GHSA-cjwg-qfpm-7377 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-33664 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences