Note: This is an archival copy of Security Sun Alert 201672 as previously published on
Latest version of this security advisory is available from as Sun Alert 1001245.1.
Article ID : 1001245.1
Article Type : Sun Alerts (SURE)
Last reviewed : 2010-01-19
Audience : PUBLIC
Copyright Notice: Copyright © 2010, Oracle Corporation and/or its affiliates.

Java Runtime Environment Remote Denial-of-Service (DoS) Vulnerability


Release Phase

Bug Id

Date of Resolved Release

A vulnerability in the Java Runtime Environment (JRE) ...

1. Impact

A vulnerability in the Java Runtime Environment (JRE) involving object deserialization could be exploited remotely to cause the Java Virtual Machine to become unresponsive, which is a type of Denial-of-Service (DoS). This issue can affect the JRE if an application that runs on it accepts serialized data from an untrusted source.

Sun acknowledges with thanks, Marc Schoenefeld, for bringing this issue to our attention.

2. Contributing Factors

This issue can occur in the following releases:

  • SDK and JRE 1.4.2_05 and earlier, and all 1.4.1 and 1.4.0 releases for Windows, Solaris and Linux

Note: JDK and JRE 5.0 and releases prior to SDK and JRE 1.4 are not affected by this issue.

To determine the version of Java on a system, the following command can be run:

    % java -fullversion
java full version "1.4.1_06-b01"

3. Symptoms

The Java Runtime Environment (JRE) is unresponsive.

4. Workaround

There is no workaround. Please see the "Resolution" section below.

5. Resolution

This issue is addressed in the following releases:

  • SDK and JRE 1.4.2_06 and later for Windows, Solaris, and Linux

J2SE releases are available for download at:

Note: It is recommended that affected versions be removed from your system. For more information, please see the installation notes on the respective download pages.

This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Terms of Use. This Sun Alert notification may only be used for the purposes contemplated by these agreements.

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Sun Java Standard Edition (Java SE)

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