From the CVE entries:
CVE-2009-2716:
The plugin functionality in Sun Java SE 6 before Update 15 does not properly implement version selection, which allows context-dependent attackers to leverage vulnerabilities in "old zip and certificate handling" and have unspecified other impact via unknown vectors.
CVE-2009-2718: The Abstract Window Toolkit (AWT) implementation in Sun Java SE 6 before Update 15 on X11 does not impose the intended constraint on distance from the window border to the Security Warning Icon, which makes it easier for context-dependent attackers to trick a user into interacting unsafely with an untrusted applet.
CVE-2009-2719: The Java Web Start implementation in Sun Java SE 6 before Update 15 allows context-dependent attackers to cause a denial of service (NullPointerException) via a crafted .jnlp file, as demonstrated by the jnlp_file/appletDesc/index.html#misc test in the Technology Compatibility Kit (TCK) for the Java Network Launching Protocol (JNLP).
CVE-2009-2720: Unspecified vulnerability in the javax.swing.plaf.synth.SynthContext.isSubregion method in the Swing implementation in Sun Java SE 6 before Update 15 allows context-dependent attackers to cause a denial of service (NullPointerException in the Jemmy library) via unknown vectors.
CVE-2009-2721: Multiple unspecified vulnerabilities in the Provider class in Sun Java SE 5.0 before Update 20 have unknown impact and attack vectors, aka BugId 6406003.
CVE-2009-2722: Multiple unspecified vulnerabilities in the Provider class in Sun Java SE 5.0 before Update 20 have unknown impact and attack vectors, aka BugId 6429594. NOTE: this issue exists because of an incorrect fix for BugId 6406003.
CVE-2009-2723: Unspecified vulnerability in deserialization in the Provider class in Sun Java SE 5.0 before Update 20 has unknown impact and attack vectors, aka BugId 6444262.
CVE-2009-2724: Race condition in the java.lang package in Sun Java SE 5.0 before Update 20 has unknown impact and attack vectors, related to a "3Y Race condition in reflection checks."
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