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Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition."}]}],"affected":[{"vendor":"Oracle Corporation","product":"Oracle Java SE","versions":[{"version":"8u481-perf","status":"affected"},{"version":"11.0.30","status":"affected"},{"version":"17.0.18","status":"affected"},{"version":"21.0.10","status":"affected"},{"version":"25.0.2","status":"affected"},{"version":"26","status":"affected"}]},{"vendor":"Oracle Corporation","product":"Oracle GraalVM for JDK","versions":[{"version":"17.0.18","status":"affected"},{"version":"21.0.10","status":"affected"}]},{"vendor":"Oracle Corporation","product":"Oracle GraalVM Enterprise Edition","versions":[{"version":"21.3.17","status":"affected"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:8u481:*:*:*:enterprise_performance:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:11.0.30:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:17.0.18:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:21.0.10:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:25.0.2:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:java_se:26:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:graalvm_for_jdk:17.0.18:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:graalvm_for_jdk:21.0.10:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:oracle:graalvm:21.3.17:*:*:*:enterprise:*:*:*"}]}]}],"descriptions":[{"lang":"en-US","value":"Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking).  Supported versions that are affected are Oracle Java SE: 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2, 26; Oracle GraalVM for JDK: 17.0.18 and  21.0.10; Oracle GraalVM Enterprise Edition: 21.3.17. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. 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CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)."}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuapr2026.html","name":"Oracle Advisory","tags":["vendor-advisory"]}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-400","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-22T15:33:23.475952Z","id":"CVE-2026-34282","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP 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CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Important"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-835","description":"Loop with Unreachable Exit Condition ('Infinite 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