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CVE-2025-2559

MEDIUM(4.9)

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Risk Signal Score12/100 — NIEDRIG
  • CVSS 4.9 — Mittel

EPSS-Score

0%

Exploit-Wahrscheinlichkeit (30 Tage)

CVSS Score

4.9

Technische Schwere

Beschreibung

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.

Referenzen