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CVE-2024-29371

Jose4j vulnerability

7.5 HIGHPublic exploitEPSS 0.26%
  1. Published17 Dec 2025

Description

In jose4j before 0.9.6, an attacker can 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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Jose4j< 0.9.5

Remediation

Fixed in
Jose4j≥ 0.9.5

References

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Frequently asked

Is CVE-2024-29371 being actively exploited?

CVE-2024-29371 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.26%.

How severe is CVE-2024-29371?

CVE-2024-29371 has a CVSS 3.1 base score of 7.5, rated high. EPSS estimates a 0.26% probability of exploitation.

Which products are affected by CVE-2024-29371?

Affected products include Jose4j.

How do I fix CVE-2024-29371?

Upgrade affected software to a fixed version, for example Jose4j 0.9.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-29371 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.