The remote host is missing an update as announced via advisory SSA:2009-051-02.

https://secure1.securityspace.com/smysecure/catid.html?in=SSA:2009-051-02

New git packages are available for Slackware 12.0, 12.1, 12.2, and -current to fix security issues. More details about this issue may be found in the Common Vulnerabilities and Exposures (CVE) database: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3546 There are other security issues related to gitweb, which Slackware does not ship, but could be added to a Slackware install. These problems are also fixed with this update. The CVE entries for the gitweb issues may be found here: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5516 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5517