Wireshark is a program for monitoring network traffic. Wireshark waspreviously known as Ethereal.Several flaws were found in Wireshark. If Wireshark read a malformed packetoff a network or opened a malicious dump file, it could crash or, possibly,execute arbitrary code as the user running Wireshark. (CVE-2011-1590,CVE-2011-4102, CVE-2012-1595)Several denial of service flaws were found in Wireshark. Wireshark couldcrash or stop responding if it read a malformed packet off a network, oropened a malicious dump file. (CVE-2011-1143, CVE-2011-1957, CVE-2011-1958,CVE-2011-1959, CVE-2011-2174, CVE-2011-2175, CVE-2011-2597, CVE-2011-2698,CVE-2012-0041, CVE-2012-0042, CVE-2012-0067, CVE-2012-0066)Users of Wireshark should upgrade to these updated packages, which containbackported patches to correct these issues. All running instances ofWireshark must be restarted for the update to take effect.