CVE-2026-22008

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{"bugzilla": {"description": "openjdk: OpenJDK: Improved Arena allocations (Oracle CPU 2026-04)", "id": "2460029", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460029"}, "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-122", "details": ["No description is available for this CVE."], "name": "CVE-2026-22008", "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", 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"package_name": "java-21-openjdk", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not 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": "2026-04-21T20:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-22008\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-22008\nhttps://www.oracle.com/security-alerts/cpuapr2026.html#AppendixJAVA"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "25.0.1"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle Java SE", "source": "cna", "vendor": "Oracle Corporation"}, "product": "java_se", "vendor": "oracle"}], "analysis": {"en": {"generated_at": "2026-04-27T19:44:30.313859+00:00", "value": {"mitigation_remediation": ["Apply an Oracle update to a patched Java\u202fSE version that addresses this vulnerability, or contact Oracle support for the fix.", "Disable Java Web\u202fStart and all sandboxed applet features in browsers and client programs so that untrusted Java code cannot run.", "Configure Java\u2019s security manager to enforce strict file write permissions, allowing only trusted applications to modify data, and review permission settings to eliminate over\u2011privileged accesses.", "If Java\u202fSE is not required on the client machine, uninstall the product entirely."], "summary": {"action": "Assess Impact", "impact": "Unauthorized Data Modification"}, "threat_synthesis": {"affected_systems": "Client deployments of Oracle\u202fJava\u202fSE\u202f25.0.1 that rely on the Java sandbox to run untrusted code from the internet\u2014specifically sandboxed Web\u202fStart applications or applets. Server deployments that execute only trusted, locally installed code are not affected.", "description_and_impact": "This vulnerability exists in the Oracle\u202fJava\u202fSE Libraries component. An unauthenticated attacker who can reach the target over the network can introduce malicious Java code into sandboxed Web\u202fStart applications or applets. When successfully exploited, the attacker can perform unauthorized update, insert or delete operations on data that the Java application can access. The weakness stems from improper access controls in the sandbox environment that allow manipulation of data privileges, specifically linked to issues identified by CWE\u2011122 and CWE\u2011250.", "risk_and_exploitability": "The CVSS\u202f3.1 base score of 3.7 indicates a low\u2011to\u2011moderate risk. The EPSS score is less than 1% and the vulnerability is not listed in the CISA KEV catalog. Based on the description, the likely attack vector involves a network\u2011based delivery of malicious Java code that bypasses sandbox restrictions; exploitation requires introducing untrusted code via the application. The vulnerability does not provide arbitrary code execution or privilege escalation, so the impact is confined to data integrity of the application\u2019s accessible data only."}}}}, "created": "2026-04-22T02:45:05.724987+00:00", "updated": "2026-04-27T19:45:11.345310+00:00", "vendors": ["oracle", "oracle$PRODUCT$java_se"]}