An instance of this bug occurs in the following case in 1.5.0_06:

JDK-Info:
---------
java version "1.5.0_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_06-b03)
Java HotSpot(TM) Client VM (build 1.5.0_06-ea-b02, mixed mode, sharing)


Operating System:
-----------------
Tested On: Solaris 10(CDE)/Linux RHAS4.0


Steps to Reproduce:
-------------------
1) Install jre on sol/lin
2) Clean cache (\rm -rf ~/.java)
3) Launch a JNLP Application which would download jre 1.3.1_13
(./javaws http://web-east.east/www/tests/1.5.0_06/ssv_webstart/test3.jnlp)

4) Click on "Download" button on "Java Security Warning" popup
5) Click on "More Information..." on "Warning - Security" popup window
5) Click on "Certificate Details..." link on "More Information" popup