The remote host is missing an update to mplayer announced via advisory MDVSA-2009:013.
To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. https://secure1.securityspace.com/smysecure/catid.html?in=MDVSA-2009:013
Several vulnerabilities have been discovered in mplayer, which could allow remote attackers to execute arbitrary code via a malformed TwinVQ file (CVE-2008-5616), and in ffmpeg, as used by mplayer, related to the execution of DTS generation code (CVE-2008-4866) and incorrect handling of DCA_MAX_FRAME_SIZE value (CVE-2008-4867). The updated packages have been patched to prevent this. Affected: 2008.1, 2009.0