Software update: Sun Java 6.0 update 20

Under the Sun banner, Oracle has released the twentieth update to both the development kit and runtime environment of Java Standard Edition 6.0. The exact version number is 1.6.0_20-b02. The developers have mainly worked on closing a security hole and the software has also been adjusted on a number of points. The list of changes for this twentieth update is as follows:

Changes in 1.6.0_20 (6u20)

The full internal version number for this update release is 1.6.0_20-b02 (where “b” means “build”). The external version number is 6.20.

OlsonData 2010b
6u20 contains Olson time zone data version 2010b. For more information, refer to Timezone Data Versions in the JRE Software.

Security Baseline
6u20 specifies the following security baselines for use with Java Plug-in technology:

JRE Family Version 5.0
Java SE Security Baseline 1.5.0_22
Java SE for Business Security Baseline 1.5.0_24

JRE Family Version 1.4.2
Java SE Security Baseline 1.4.2_19
Java SE for Business Security Baseline 1.4.2_26

On October 30, 2008, Java SE 1.4.2 reached its end of service life with the release of 1.4.2_19. Java SE 5.0 reached its end of service life on November 3, 2009, with the release of 5.0u22. Future revisions of Java SE 1.4.2 (1.4.2_20 and above) and Java SE 5.0 (5.0u23 and above) include the Access Only option and are available to Java SE for Business subscribers. For more information about the security baseline, see Deploying Java Applets With Family JRE Versions in Java Plug-in for Internet Explorer.

changes
A Java Network Launch Protocol (JNLP) file without a codebase parameter will no longer work with the Java SE 6 update 20 release. This means that developers must specify the codebase parameter in a JNLP file.

Bug Fixes
This release contains fixes for security vulnerabilities. For more information, please see Oracle Security Alert for CVE-2010-0886.

Other Bug Fixes

  • java – classes_security – Mixed code warning for class.getResource(“directory/”) in 1.6.0_19
  • javawebstart – other – Webstart Shows Wrong Exception when the same jnlp has a signed and a none signed jar
  • java_deployment – security – Improve Mixed Code Logging

Version number 6.0 update 20
Release status Final
Operating systems Windows 7, Windows 7 x64, Windows 2000, Linux, Windows XP, Linux x86, Solaris, Windows Server 2003, Windows XP x64, Windows Server 2003 x64, Linux AMD64, Windows Vista, Windows Vista x64, Windows Server 2008
Website Oracle
Download http://java.sun.com/javase/downloads/index.jsp
License type Conditions (GNU/BSD/etc.)
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