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Update Release Notes

Java™ SE 6 Update 27

The full internal version number for this update release is 1.6.0_27-b07 (where "b" means "build"). The external version number is 6u27.

Highlights

This update release contains important enhancements for Java applications:

  • Improved performance and stability
  • Certification for Firefox 5

Olson Data 2011g

Java SE 6u27 contains Olson time zone data version 2011g. For more information, refer to Timezone Data Versions in the JRE Software .

Security Baselines

The security baselines for the Java SE platform at the time of the release of Java SE 6u27 are specified in the following table:

JRE Family Version Java SE Security Baseline Java for Business Security Baseline
6 1.6.0_26 1.6.0_26
5.0 1.5.0_22 1.5.0_30
1.4.2 1.4.2_19 1.4.2_32

For more information about security baselines, see Deploying Java Applets With Family JRE Versions in Java Plug-in for Internet Explorer .

Additional Certified System Configurations

For Java SE 6u27, the following system configurations have been certified:

  • Oracle Linux 5.6
  • Red Hat Enterprise Linux 6.0
  • Firefox 5

Refer to the Oracle Certified System Configurations page for more information.

Raw RSA (NONEwithRSA) Signature Support Added for SunMSCAPI

New property added for SunMSCAPI provider: Signature.NONEwithRSA=sun.security.mscapi.RSASignature$Raw

Bug Fixes

Java SE 6u27 does not add any fixes for security vulnerabilities beyond those in Java SE 6u26. Users who have Java SE 6u26 have the latest security fixes and do not need to upgrade to this release to be current on security fixes.

For other bug fixes, see the Java SE 6u27 Bug Fixes page.