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Asked: 2026-06-17T22:34:42+00:00

Recently security vulnerabilities were discovered in the Java Plug-In 1 . As a protection

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Recently security vulnerabilities were discovered in the Java Plug-In1. As a protection for the end user, Java in most browsers was disabled promptly. What do the ‘Java disabled’ warnings look like?

Does the blocking of applets also affect Java Web Start apps. (they are launched from a link in a web page) aimed at desktop use?

  1. Security vulnerability in the Oracle Java Plug-In. For more details see:
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  1. Editorial Team

    What do the ‘Java disabled’ warnings look like?

    This is how Oracle’s test Java page appears now. It is an embedded applet.

    FireFox

    FireFox - Security Vulnerabilities

    Chrome

    Message in yellow bar at top of browser:

    Java(TM) was blocked because it is out of date. Update plug-in... Run this time – learn more x

    Shown in place of applet, and on right click produces menu..

    Chrome - Java is out of date

    Note re version 1.7.0_11

    Java version 1.7.0_11 that fixes the bug, mentioned in the last link in the question, does not enable the browsers again. Those warnings above were seen despite that this info. can be seen after enabling the plug-in for either browser..

    Latest Java Installed - Version: Java SE 7 Update 11

    It might indicate that the Oracle fix for the bug is to permanently load applets in this ‘prompted for every one’ way. That might not be a bad thing.

    Does the blocking of applets also affect JWS apps?

    No it does not. Just applets (and applets embedded using JWS).

    Here is how you might see a JWS app. deployed using deployJava.js which (checks for the JRE and) shows an icon like this (without prompt – if installed).

    JWS launch icon

    If launching (for example) the JavaFX 1.2 demo. – Powerful UI Capabilities With Node-Based Controls I see the icon for launching the JWS app. At the same (security vulnerability) time I still see that warning on the applet mentioned above.

    Note that the Java FX demo. does itself have security risks/prompts for ‘application components that might indicate a security concern’ from ‘mixing signed & unsigned code’.

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