Wednesday, April 16, 2014

Oracle Java Critical Security Update


Oracle released the scheduled critical security updates for its Java SE Runtime Environment software. 

This is a Critical Patch Update that contains 37 fixes for Java, 35 of which Oracle indicated can be exploited by an attacker without the need for authentication.  Additional details about the update are available in the Java Release Notes, referenced below.

Oracle reported that Java SE does not include OpenSSL and, therefore is not affected by HeartBleed and CVE-2014-0160.  For Oracle products that are affected, see the reference linked below.

If Java is still installed on your computer, it is recommended that this update be applied as soon as possible due to the threat posed by a successful attack.

For those people who have desktop applications that require Java and cannot uninstall it, Java can now be disabled in Internet Explorer.  See Microsoft Fix it to Disable Java in Internet Explorer.

Java Security Recommendations

1)  In the Java Control Panel, at minimum, set the security to high.
2)  Keep Java disabled until needed.  Uncheck the box "Enable Java content in the browser" in the Java Control Panel.

Java ControlPanel
(Image via Sophos Naked Security Blog)

3)  If you use Firefox, install NoScript and only allow Java on those sites where it is required.

Instructions on removing older (and less secure) versions of Java can be found at

Download Information

Download link:  Java Version 7 Update 55

Verify your version:

  • UNcheck any pre-checked toolbar and/or software options presented with the update. They are not part of the software update and are completely optional.
  • Starting with Java SE 7 Update 21 in April 2013, all Java Applets and Web Start Applications should be signed with a trusted certificate.  It is not recommended to run untrusted/unsigned Certificates.  See How to protect your computer against dangerous Java Applets

Critical Patch Updates

For Oracle Java SE Critical Patch Updates, the next scheduled dates are as follows:
  • 15 July 2014
  • 14 October 2014
  • 20 January 2015
  • 14 April 2015


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