🛡️ CVE-2024-29371 — jose4j

🟠 CVSS 8.0 — High ⚠️ Exploit Public CWE-1259 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

jose4j is vulnerable to DoS via compressed JWE content

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

CVE-2024-29371 is recorded against 2 packages.

  • jose4j (fixed in 0.9.5)
  • org.bitbucket.b-c:jose4j (fixed in 0.9.6)

Timeline and source

Published on 17 December 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

bitbucket.org
bitbucket.org

CVE-2024-29371 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE CWE-1259
Public Exploit ⚠️ Yes
Source NVD
Published 2025-12-17
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
jose4j — 0.9.5
org.bitbucket.b-c:jose4j — 0.9.6

References

Similar Threats

Exploit Protection

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