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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://bitbucket.org/b_c/jose4j/issues/220/vuln-zip-bomb-attackExploit, Issue Tracking, Mitigation
- https://bitbucket.org/b_c/jose4j/issues/220/vuln-zip-bomb-attackExploit, Issue Tracking, Mitigation
Timeline
- Published
- Dec 17, 2025
- Last modified
- Oct 27, 2026
- NVD status
- Modified