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The full version string for this update release is 1.8.0_25-b17 (where "b" means "build") except for Windows, where the version string is 1.8.0_25-b18 . The version number is 8u25.
JDK 8u25 contains IANA time zone data version 2014c. For more information, refer to Timezone Data Versions in the JRE Software.
The security baselines for the Java Runtime Environment (JRE) at the time of the release of JDK 8u25 are specified in the following table:
|JRE Family Version||JRE Security Baseline (Full Version String)|
For more information about security baselines, see Deploying Java Applets With Family JRE Versions in Java Plug-in for Internet Explorer.
The JRE expires whenever a new release with security vulnerability fixes becomes available. Critical patch updates, which contain security vulnerability fixes, are announced one year in advance on Critical Patch Updates, Security Alerts and Third Party Bulletin. This JRE (version 8u25) will expire with the release of the next critical patch update scheduled for January 20, 2015.
For systems unable to reach the Oracle Servers, a secondary mechanism expires this JRE (version 8u25) on February 20, 2015. After either condition is met (new release becoming available or expiration date reached), the JRE will provide additional warnings and reminders to users to update to the newer version. For more information, see JRE Expiration Date.
Oracle recommends that users and developers disable use of the SSLv3 protocol. Please follow the Instructions to disable SSL v3.0 in Oracle JDK and JRE.
Starting with JDK 8u25, unsafe server certificate change in SSL/TLS renegotiations is not allowed by default. Server certificate change in an SSL/TLS renegotiation may be unsafe and should be restricted:
If unsafe server certificate change is really required, please set the system property,
jdk.tls.allowUnsafeServerCertChange, to "true" before JSSE is initialized. Note that this would re-establish the unsafe server certificate change issue.
This release contains fixes for security vulnerabilities. For more information, see Oracle Critical Patch Update Advisory.
For a list of bug fixes included in this release, see JDK 8u25 Bug Fixes page.
The following are some of the notable bug fixes in this release:
Synopsis: Decrease the preference mode of RC4 in the enabled cipher suite list
This fix decreases the preference of RC4 based cipher suites in the default enabled cipher suite list of SunJSSE provider.
See 8043200 (not public).
Synopsis: JRE 8u20 crashes while using Japanese IM on Windows
The VM crashes while using Swing controls when some Japanese or Chinese characters are input on Windows platform. The issue is now fixed.
See 8058858 (not public).