The full version string for this update release is 1.7.0_13-b20 (where "b" means "build") and the version number is 7u13.
JDK 7u13 contains Olson time zone data version 2012i. 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 7u13 are specified in the following table:
For more information about security baselines, see Deploying Java Applets With Family JRE Versions in Java Plug-in for Internet Explorer.
This release contains fixes for security vulnerabilities. For more information, see Oracle Java SE Critical Patch Update Advisory.