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Providing Open Source High-Availability Software for Linux and other OSes since 1999.

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Security Issues

This web page is no longer maintained. Information presented here exists only to avoid breaking historical links.
The Project stays maintained, and lives on: see the Linux-HA Reference Documentation.
To get rid of this notice, you may want to browse the old wiki instead.

1 February 2010 Hearbeat 3.0.2 released see the Release Notes

18 January 2009 Pacemaker 1.0.7 released see the Release Notes

16 November 2009 LINBIT new Heartbeat Steward see the Announcement

Last site update:
2022-05-27 17:51:03


  • 08/13/2006: A potential remote denial of service has been discovered in Heartbeat. Please upgrade to version 2.0.7 or 1.2.5 or later at your earliest convenience. See the security announcement for more details.

Security Mailing List (post-only)

This is where you should post security concerns. For example if you believe you found a security vulnerability in the code you should post your concerns here. If you think someone has compromised your machine using the Linux-HA software, you should post here. This list is open for all to post to. Because of the sensitive nature of this mailing list, subscriptions to read postings to this list are by invitation only.

  • To report security related issues in Linux-HA software, please send email to This is the focal point for all Linux-HA security issues.