--- title: 'USN-476-1: redhat-cluster-suite vulnerability | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-476-1 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-476-1 --- # USN-476-1: redhat-cluster-suite vulnerability Publication date 22 June 2007 Overview redhat-cluster-suite vulnerability Releases [7.04](https://ubuntu.com/security/notices?release=feisty) --- Open side navigation ## Details Fabio Massimo Di Nitto discovered that cman did not correctly validate the size of client messages. A local user could send a specially crafted message and execute arbitrary code with cluster manager privileges or crash the manager, leading to a denial of service. ## Update instructions In general, a standard system upgrade is sufficient to effect the necessary changes. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 7.04 feisty | [cman](https://ubuntu.com/security/notices/USN-476-1) –  2.20070315-0ubuntu2.1 | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References *