Amazon Linux AMI Security Advisory: ALAS-2012-71
Advisory Release Date: 2014-09-14 15:50 Pacific
Several flaws were found in Wireshark. If Wireshark read a malformed packet off a network or opened a malicious dump file, it could crash or, possibly, execute arbitrary code as the user running Wireshark.
Several denial of service flaws were found in Wireshark. Wireshark could crash or stop responding if it read a malformed packet off a network, or opened a malicious dump file.
Run yum update wireshark to update your system.