{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-47021", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-05-18T15:55:10.317Z", "datePublished": "2026-07-21T21:33:05.422Z", "dateUpdated": "2026-07-21T21:33:05.422Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-07-21T21:33:05.422Z"}, "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "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 partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition."}]}], "affected": [{"vendor": "Oracle Corporation", "product": "Oracle Java SE", "versions": [{"version": "8u491", "status": "affected"}, {"version": "8u491-perf", "status": "affected"}, {"version": "11.0.31", "status": "affected"}, {"version": "17.0.19", "status": "affected"}, {"version": "21.0.11", "status": "affected"}, {"version": "25.0.3", "status": "affected"}, {"version": "26.0.1", "status": "affected"}]}, {"vendor": "Oracle Corporation", "product": "Oracle GraalVM for JDK", "versions": [{"version": "17.0.19", "status": "affected"}, {"version": "21.0.11", "status": "affected"}]}, {"vendor": "Oracle Corporation", "product": "Oracle GraalVM Enterprise Edition", "versions": [{"version": "21.3.18", "status": "affected"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:8u491:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:8u491:*:*:*:enterprise_performance:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:11.0.31:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:17.0.19:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:21.0.11:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:25.0.3:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:26.0.1:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:graalvm_for_jdk:17.0.19:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:graalvm_for_jdk:21.0.11:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:graalvm:21.3.18:*:*:*: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: 2D). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. 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 partial denial of service (partial 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. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)."}], "references": [{"url": "https://www.oracle.com/security-alerts/cpujul2026.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": "LOW", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}]}}}

{}

{}

{"bugzilla": {"description": "openjdk: OpenJDK: Enhance XBM image support (Oracle CPU 2026-07)", "id": "2502784", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502784"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-1333", "details": ["No description is available for this CVE."], "name": "CVE-2026-47021", "package_state": [{"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Affected", "package_name": "java-11-openjdk", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Affected", "package_name": "java-11-openjdk-portable", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Affected", "package_name": "java-11-openjdk-windows", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk:17", "fix_state": "Affected", "package_name": "java-17-openjdk-portable", "product_name": "Red Hat build of OpenJDK 17"}, {"cpe": "cpe:/a:redhat:openjdk:17", "fix_state": "Affected", "package_name": "java-17-openjdk-windows", "product_name": "Red Hat build of OpenJDK 17"}, {"cpe": "cpe:/a:redhat:openjdk:1.8", "fix_state": "Affected", "package_name": "java-1.8.0-openjdk-portable", "product_name": "Red Hat build of OpenJDK 1.8"}, {"cpe": "cpe:/a:redhat:openjdk:1.8", "fix_state": "Affected", "package_name": "java-1.8.0-openjdk-windows", "product_name": "Red Hat build of OpenJDK 1.8"}, {"cpe": "cpe:/a:redhat:openjdk:21", "fix_state": "Affected", "package_name": "java-21-openjdk-portable", "product_name": "Red Hat build of OpenJDK 21"}, {"cpe": "cpe:/a:redhat:openjdk:21", "fix_state": "Affected", "package_name": "java-21-openjdk-windows", "product_name": "Red Hat build of OpenJDK 21"}, {"cpe": "cpe:/a:redhat:openjdk:25", "fix_state": "Affected", "package_name": "java-25-openjdk-portable", "product_name": "Red Hat build of OpenJDK 25"}, {"cpe": "cpe:/a:redhat:openjdk:25", "fix_state": "Affected", "package_name": "java-25-openjdk-windows", "product_name": "Red Hat build of OpenJDK 25"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "java-21-ibm-semeru-certified-jdk", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "java-21-openjdk", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "java-25-openjdk", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "java-1.6.0-openjdk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "java-1.7.0-openjdk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "java-1.8.0-openjdk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "java-1.6.0-openjdk", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "java-1.7.0-openjdk", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "java-1.8.0-openjdk", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "java-17-openjdk", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "java-1.8.0-ibm", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "java-1.8.0-openjdk", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "java-21-openjdk", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "java-17-openjdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "java-1.8.0-openjdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "java-21-openjdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "java-25-openjdk", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-21-openjdk", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-21-openjdk-portable", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-25-openjdk", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-25-openjdk-portable", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-07-21T20:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-47021\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47021"], "threat_severity": "Moderate"}

{}