CVE-2024-29371: JOSE4J Project JOSE4J

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• JOSE4J Project JOSE4J: before 0.9.5 (fixed in 0.9.5)

Published 2025-12-17. Last modified 2026-06-17.