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CVE-2024-33664

MEDIUM
5.3
CVSS Score
Published: April 25, 2024 at 12:00 AM UTC
Updated: June 17, 2026 at 07:32 AM UTC
1 product affected across 1 vendorJose Project Python Jose

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.8%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

ExploitIssue TrackingMitigationVendor Advisory
Source: [email protected]
https://github.com/mpdavis/python-jose/issues/344
Issue TrackingPatch
Source: [email protected]
https://github.com/mpdavis/python-jose/pull/345
ExploitMitigationThird Party Advisory
Source: [email protected]
https://www.vicarius.io/vsociety/posts/jwt-bomb-in-python-jose-cve-2024-33664

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-400

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