A flaw was found in Keycloak. When the configuration uses JWT tokens for authentication, the tokens are cached until expiration. If a client uses JWT tokens with an excessively long expiration time, for example, 24 or 48 hours, the cache can grow indefinitely, leading to an OutOfMemoryError. This issue could result in a denial of service condition, preventing legitimate users from accessing the system.
References
Configurations
No configuration.
History
30 Apr 2025, 03:15
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29 Apr 2025, 23:16
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27 Mar 2025, 16:45
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25 Mar 2025, 09:15
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Information
Published : 2025-03-25 09:15
Updated : 2025-04-30 03:15
NVD link : CVE-2025-2559
Mitre link : CVE-2025-2559
CVE.ORG link : CVE-2025-2559
JSON object : View
Products Affected
No product.
CWE
CWE-770
Allocation of Resources Without Limits or Throttling