Wireshark is a program for monitoring network traffic. Wireshark waspreviously known as Ethereal.A heap-based buffer overflow flaw was found in Wireshark. If Wiresharkopened a specially-crafted capture file, it could crash or, possibly,execute arbitrary code as the user running Wireshark. (CVE-2011-0024)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-2010-3445, CVE-2011-0538, CVE-2011-1139,CVE-2011-1140, CVE-2011-1141, CVE-2011-1143)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.