CVE-2026-91381

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{"bugzilla": {"description": "openjdk: Enhance Font Rendering (Oracle CPU 2026-10)", "id": "2557153", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2557153"}, "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:N/I:L/A:N", "status": "draft"}, "cwe": "CWE-749", "details": ["Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D). Supported versions that are affected are Oracle Java SE: 8u503 and 8u503-perf; 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 Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE, 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 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N).", "A flaw was found in OpenJDK. This vulnerability allows an unauthenticated remote attacker to cause unauthorized data modification or deletion by submitting untrusted input to APIs in the 2D graphics component. Exploitation can occur through network services that pass data to these APIs or in client environments executing untrusted code within a sandbox."], "name": "CVE-2026-91381", "package_state": [{"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Not affected", "package_name": "java-11-openjdk", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk_els:11", "fix_state": "Not 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": "Not affected", "package_name": "java-11-openjdk-windows", "product_name": "Red Hat build of OpenJDK 11 ELS"}, {"cpe": "cpe:/a:redhat:openjdk:17", "fix_state": "Not affected", "package_name": "java-17-openjdk-portable", "product_name": "Red Hat build of OpenJDK 17"}, {"cpe": "cpe:/a:redhat:openjdk:17", "fix_state": "Not affected", "package_name": "java-17-openjdk-windows", "product_name": "Red Hat build of OpenJDK 17"}, {"cpe": 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"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": "2026-10-20T21:25:39Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-91381\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-91381\nhttps://www.oracle.com/security-alerts/cpuoct2026.html"], "threat_severity": "Low"}

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