Java 8 Update 251 [updated] Jun 2026

In a move to modernize the trust store, Oracle removed the AddTrust External CA Root certificate from the cacerts keystore.

This release was part of the Oracle Critical Patch Update (CPU) cycle, addressing several vulnerabilities that could allow unauthorized access or data theft.

One of the most notable changes was an enhancement to the keytool and jarsigner commands. Previously, if standard output was redirected, passwords might accidentally be echoed on the screen. Update 251 improved console handling to ensure sensitive information remains hidden even during redirection. java 8 update 251

Java 8 Update 251 was a vital maintenance release for the Java ecosystem. While it lacked major new API features (which are characteristic of Java 9+), its importance lies in the remediation of 39 critical security vulnerabilities and the necessary housekeeping of the root certificate trust store. For enterprises still reliant on Java 8, deploying 8u251 was essential for mitigating remote code execution risks and ensuring compatibility with modern security standards.

Java SE 8 Update 251 (8u251) was a Critical Patch Update (CPU) released by Oracle on April 14, 2020. This update is significant not only for its security enhancements but also for specific functional additions and bug fixes that improved the stability of legacy containers and certificate handling. This paper outlines the key security vulnerabilities addressed, notable bug fixes, and the removal of specific root certificates, providing administrators and developers with necessary information regarding this specific release. In a move to modernize the trust store,

was a critical patch update released by Oracle on April 14, 2020. While Java 8 itself is a legacy version, Update 251 remains a significant milestone for organizations maintaining stable, long-term enterprise applications that haven't yet migrated to newer versions like Java 17 or 21. Key Features and Highlights

This update focused primarily on security enhancements, bug fixes, and improving the stability of the Java Runtime Environment (JRE). While it lacked major new API features (which

Released on July 14, 2020, Java 8 Update 251 is a patch update for Java 8, which includes several bug fixes, security updates, and performance enhancements. This update is part of the Java 8 maintenance cycle, which provides ongoing support and updates for the Java 8 platform.