Firefox, for example, has a blocked plugins list that includes Java plugin 7 update earlier than 44 and Java Plugin 6 updates earlier than 45. Google Chrome introduced a similar blocklist in 2011.

Security vendor Rapid 7 has set up a site that will detect the version of Java that is running in the user’s browser and tell her whether it contains the newly discovered Java vulnerability. The ...

Removing all old versions of Java and running only the latest, patched versions is easier said than done. For one, new Java installs don’t necessarily uninstall the older versions automatically.

The latest versions of Java for Windows are Java 6 Update 31 and Java 7 Update 3. Mozilla is also considering adding a blocklist entry for the Java plug-in on OS X.

Any operating system running JRE 1.7 is affected, but the attack doesn’t work against JRE 1.6. That last one is the version that Mac users have installed (assuming they use Java at all).

Apple addressed the issue by releasing a removal tool specifically tailored for the malware, and also disabled the Java runtime in its Safari web browser starting with version 5.1.7.

According to the State of the Java Ecosystem report, as of 2024, more than 32% of applications use Java 11 in production. Java 8 is at 28.8%, Java 17 is at 35.4% and Java 21 is at just 1.4%.

5. In the Java Control Panel, click on "General." 6. The first, or "About," line will allow you to view version information about Java. 7. Click on the "About…" button in that first line.

Example MANIFEST.MF File With Package Version Information Name: dustin/examples/ Specification-Title: Dustin's Java/Groovy Examples Specification-Version: 2011.06.17 Specification-Vendor: Marxian ...