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CVE-2025-2559

🗓️ 25 Mar 2025 08:20:57Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 121 Views

Flaw in Keycloak allows indefinite cache growth leading to OutOfMemoryError and denial of service.

Related
Affected
Refs
[
  {
    "versions": [
      {
        "status": "affected",
        "version": "23.0.0",
        "lessThan": "26.0.11",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "26.1.0",
        "lessThan": "26.1.5",
        "versionType": "semver"
      }
    ],
    "packageName": "keycloak",
    "collectionURL": "https://github.com/keycloak/keycloak/",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Build of Keycloak",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "unaffected",
    "packageName": "keycloak-services",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.0",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-operator-bundle",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.0.11-2",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.0::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.0",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.0-12",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.0::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Keycloak 26.0",
    "collectionURL": "https://catalog.redhat.com/software/containers/",
    "packageName": "rhbk/keycloak-rhel9-operator",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "26.0-13",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:build_keycloak:26.0::el9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "keycloak-services",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7"
    ]
  }
]

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06 May 2026 17:16Current
7High risk
Vulners AI Score7
CVSS 3.14.9
EPSS0.00024
SSVC
121