Couple of weeks back few of Fedora servers have been compromised or there was a security breach. It has been confirmed by Fedora project leader via mailing list post. This security breach has compromised OpenSSH packages on Fedora distributions. The issue is being investigated by Fedora team.
Today here is an another update from Security Tracker:
RedHat confirms that this compromise does not affect the content distributed via Red Hat Network.
Solution: Red Hat has issued a fix.
Red Hat has published a list of the tampered packages and how to detect them at:
The Red Hat advisory is available at: