En resumen
- CVE-2025-2559 es una vulnerabilidad MEDIO (CVSS 4.9) que afecta a org.keycloak:keycloak-services.
- Probabilidad de explotación en los próximos 30 días (EPSS): 0.70%, mayor que el 53.3% de las vulnerabilidades.
- Aún no hay una versión corregida: sigue el aviso del fabricante en Referencias.
Description
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.
NVD description
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.
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