{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91334", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-09-14T22:10:16.628Z", "datePublished": "2026-10-20T21:25:22.651Z", "dateUpdated": "2026-10-20T21:25:22.651Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-10-20T21:25:22.651Z"}, "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Difficult to exploit 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 read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data."}]}], "affected": [{"vendor": "Oracle Corporation", "product": "Oracle Java SE", "versions": [{"version": "8u503", "status": "affected"}, {"version": "8u503-perf", "status": "affected"}, {"version": "11.0.32.1", "status": "affected"}, {"version": "17.0.20.1", "status": "affected"}, {"version": "21.0.12.1", "status": "affected"}, {"version": "25.0.4.1", "status": "affected"}, {"version": "27", "status": "affected"}]}, {"vendor": "Oracle Corporation", "product": "Oracle GraalVM for JDK", "versions": [{"version": "17.0.20.1", "status": "affected"}, {"version": "21.0.12.1", "status": "affected"}]}, {"vendor": "Oracle Corporation", "product": "Oracle GraalVM Enterprise Edition", "versions": [{"version": "21.3.19.1.1", "status": "affected"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:8u503:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:8u503:*:*:*:enterprise_performance:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:11.0.32.1:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:17.0.20.1:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:21.0.12.1:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:25.0.4.1:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:java_se:27:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:graalvm_for_jdk:17.0.20.1:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:graalvm_for_jdk:21.0.12.1:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:graalvm:21.3.19.1.1:*:*:*: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: ImageIO). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit 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 read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)."}], "references": [{"url": "https://www.oracle.com/security-alerts/cpuoct2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 3.7, "baseSeverity": "LOW"}}]}}}

{}

{"affected": [{"affectedData": [{"product": "Oracle Java SE", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "8u503"}, {"status": "affected", "version": "8u503-perf"}, {"status": "affected", "version": "11.0.32.1"}, {"status": "affected", "version": "17.0.20.1"}, {"status": "affected", "version": "21.0.12.1"}, {"status": "affected", "version": "25.0.4.1"}, {"status": "affected", "version": "27"}]}, {"product": "Oracle GraalVM for JDK", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "17.0.20.1"}, {"status": "affected", "version": "21.0.12.1"}]}, {"product": "Oracle GraalVM Enterprise Edition", "vendor": "Oracle Corporation", "versions": [{"status": "affected", "version": "21.3.19.1.1"}]}], "source": "secalert_us@oracle.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: ImageIO). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit 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 read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)."}], "id": "CVE-2026-91334", "lastModified": "2026-10-21T18:44:40.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "secalert_us@oracle.com", "type": "Primary"}]}, "published": "2026-10-20T22:20:35.630", "references": [{"source": "secalert_us@oracle.com", "url": "https://www.oracle.com/security-alerts/cpuoct2026.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "openjdk: Enhance JPEG loading (Oracle CPU 2026-10)", "id": "2557662", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557662"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-125", "details": ["Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: ImageIO). Supported versions that are affected are Oracle Java SE: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1, 21.0.12.1, 25.0.4.1, 27; Oracle GraalVM for JDK: 17.0.20.1 and 21.0.12.1; Oracle GraalVM Enterprise Edition: 21.3.19.1.1. Difficult to exploit 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 read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. 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 3.7 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).", "A flaw was found in OpenJDK's ImageIO component. This vulnerability allows an unauthenticated remote attacker to cause information disclosure by submitting crafted inputs to applications or web services using the ImageIO application programming interface (API). Successful exploitation can result in unauthorized read access to a subset of accessible data."], "name": "CVE-2026-91334", "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": 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"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": "Not affected", "package_name": "hi/openjdk", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "java-17-openjdk-portable", "product_name": "Red Hat Hardened Images"}, {"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": "2026-10-20T21:25:22Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-91334\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-91334\nhttps://www.oracle.com/security-alerts/cpuoct2026.html"], "threat_severity": "Low"}