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Oracle Java SE EUVDEUVD-2026-24303

| CVE-2026-22003 MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-04-21 oracle GHSA-q4wq-4whj-cxhx
6.0
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
6.0 MEDIUM
AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H
vuln.today AI
6.0 MEDIUM

Local infrastructure logon required (AV:L, PR:L); difficult exploitation with mandatory third-party interaction (AC:H, UI:R); no confidentiality exposure confirmed by vendor description.

3.1 AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H
4.0 AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N
SUSE
3.1 LOW
AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Jul 24, 2026 - 06:37 vuln.today
Patch released
Apr 28, 2026 - 08:30 nvd
Patch available
EUVD ID Assigned
Apr 21, 2026 - 21:01 euvd
EUVD-2026-24303
CVE Published
Apr 21, 2026 - 20:35 nvd
MEDIUM 6.0

DescriptionCVE.org

Vulnerability in the Oracle Java SE, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Hotspot). Supported versions that are affected are Oracle Java SE: 8u481 and 8u481-b50; Oracle GraalVM Enterprise Edition: 21.3.17. Difficult to exploit vulnerability allows low privileged attacker with logon to the infrastructure where Oracle Java SE, Oracle GraalVM Enterprise Edition executes to compromise Oracle Java SE, Oracle GraalVM Enterprise Edition. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM Enterprise Edition accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Java SE, Oracle GraalVM Enterprise Edition. Note: This vulnerability 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. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 6.0 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H).

AnalysisAI

Integrity and availability compromise in Oracle Java SE's Hotspot component affects versions 8u481 and 8u481-b50, as well as GraalVM Enterprise Edition 21.3.17, but exclusively in client-side sandboxed deployments running untrusted code via Java Web Start or applets. A low-privileged local attacker who can also induce human interaction from a third-party victim may trigger uncontrolled resource consumption (CWE-400) in Hotspot, resulting in unauthorized modification or deletion of critical data accessible to the JVM, or a complete denial of service via hang or repeatable crash. No public exploit code exists and no active exploitation has been confirmed; EPSS at 0.01% (2nd percentile) and SSVC Exploitation=none corroborate negligible current threat activity.

Technical ContextAI

The vulnerability resides in Hotspot, Oracle's high-performance JIT compiler and managed runtime environment that underpins both Oracle Java SE and GraalVM Enterprise Edition. CWE-400 (Uncontrolled Resource Consumption) identifies the root cause as improper management of resources - likely related to how Hotspot handles code paths during execution of sandboxed untrusted content, where resource limits or error conditions are not correctly enforced. Affected product identifiers per CPE are cpe:2.3:a:oracle_corporation:oracle_java_se and cpe:2.3:a:oracle_corporation:oracle_graalvm_enterprise_edition, covering exactly Oracle Java SE 8u481, 8u481-b50, and GraalVM Enterprise Edition 21.3.17. The vulnerability is scoped to the Java sandbox security model used in client deployments - the same model that underpins Java Web Start and signed/unsigned applet execution - and is architecturally inapplicable to server-side deployments where only administrator-installed trusted code runs.

RemediationAI

Apply the Oracle Critical Patch Update for April 2026, available at https://www.oracle.com/security-alerts/cpuapr2026.html, which provides patched builds superseding Oracle Java SE 8u481/8u481-b50 and GraalVM Enterprise Edition 21.3.17; the exact patched version numbers are not independently confirmed beyond the advisory reference and should be verified directly against Oracle's release notes. For environments where immediate patching is not feasible, note that Oracle explicitly states this vulnerability does not apply to server deployments loading only trusted, administrator-installed code - verifying that no Java Web Start applications or sandboxed applets loading internet-sourced untrusted code are in use effectively eliminates the attack surface without a patch. Organizations can further reduce exposure by disabling Java Web Start entirely (via deployment configuration or removal of the javaws binary), revoking untrusted code execution permissions in the Java deployment ruleset, and restricting local logon access on systems where Java SE 8 client deployments operate. Note that disabling Java Web Start may break legacy line-of-business applications that depend on it, so inventory these dependencies before applying that control.

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Vendor StatusVendor

SUSE

Severity: Low
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed

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EUVD-2026-24303 vulnerability details – vuln.today

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