REDHAT-BUG-2557665: Medium severity Oracle Java SE vulnerability

Published Oct 21, 2026
·
Updated

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: 8u503, 8u503-perf, 11.0.32.1, 17.0.20.1; 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 creation, deletion or modification access to critical data or all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data and 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 6.5 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L).

Affected Software

3 affected components
Oracle Java SE=8u503, =8u503-perf, =11.0.32.1, =17.0.20.1
Oracle GraalVM for JDK=17.0.20.1, =21.0.12.1
Oracle GraalVM Enterprise Edition=21.3.19.1.1

Event History

Oct 21, 2026
Data Sourced
via Red Hat·12:22 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

Which deployments are exposed to network-based exploitation?

An unauthenticated attacker needs network access through multiple protocols and a path to supply data to the affected 2D APIs, such as a web service that passes attacker-controlled data to those APIs. Java client deployments running sandboxed Java Web Start applications or sandboxed Java applets are also affected.

2

Which product versions are identified as affected?

Affected Oracle Java SE versions are 8u503, 8u503-perf, 11.0.32.1, and 17.0.20.1. Affected Oracle GraalVM for JDK versions are 17.0.20.1 and 21.0.12.1, and the affected Oracle GraalVM Enterprise Edition version is 21.3.19.1.1.

3

What could a successful attack allow?

A successful attack may allow unauthorized creation, deletion, or modification of critical data or all data accessible to the affected product. It may also allow a partial denial of service.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203