The remote host is missing an update to wireshark announced via advisory MDVSA-2009:270.
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-2009:270
A vulnerability has been found and corrected in wireshark: Unspecified vulnerability in the OpcUa (OPC UA) dissector in Wireshark 0.99.6 through 1.0.8 and 1.2.0 through 1.2.1 allows remote attackers to cause a denial of service (memory and CPU consumption) via malformed OPCUA Service CallRequest packets (CVE-2009-3241). This update fixes this vulnerability. Affected: 2009.0, 2009.1, Corporate 4.0, Enterprise Server 5.0