Mozilla has blacklisted unpatched versions of the Java plug-in from Firefox on Windows in order to protect its users from attacks that exploit known vulnerabilities in those versions.

Mozilla on Friday announced it has added Java 7 Update 9, Java 7 Update 10, Java 6 Update 37, and Java 6 Update 38 to its Firefox add-on block list, following yesterday’s news of a new vulnerability.

Mozilla has blacklisted unpatched versions of the Java plug-in from Firefox on Windows in order to protect its users from attacks that exploit known vulnerabilities in those versions.

Mozilla has added Java to the blocklist of malicious apps in the Firefox browser because older versions of it are being exploited in attacks.