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Changes in 1.6.0_19 (6u19)

The full internal version number for this update release is 1.6.0_19-b04 (where "b" means "build"). The external version number is 6u19.

OlsonData 2010b

6u19 contains Olson time zone data version 2010b. For more information, refer toTimezone Data Versions in the JRE Software .

Security Baseline

6u19 specifies the following security baselines for use with Java Plug-in technology:

For more information about the security baseline, seeDeploying Java Applets With Family JRE Versions in Java Plug-in for Internet Explorer .

Root Certificates

Added seven new root certificates, removed three root certificates and five root certificates replaced with stronger signature algorithms from VeriSign, Thawte and GeoTrust. (Refer to6904162.)

Ensuring Application and Applet Security when Mixing Signed and Unsigned Code

Signed Java Web Start applications and applets that contain signed and unsigned components could potentially be unsafe unless the mixed code was intended by the application vendor. As of this release, when mixed code is detected in a program, a warning dialog is raised.Mixing Signed and Unsigned Code explains this warning dialog and options that the user, system administrator, developer, and deployer have to manage it.

Interim Fix for the Transport Layer Security (TLS) Man-in-the-Middle Attack

For more information about the vulnerability and the interim fix, please see theTLS Renegotiation Issue Readme.

Bug Fixes

This release contains fixes for security vulnerabilities. For more information, please seeOracle Java SE and Java for Business Critical Patch Update advisory.