tcpdump 3.8 through 4.6.2 might allow remote attackers to obtain sensitive information from memory or cause a denial of service (packet loss or segmentation fault) via a crafted Ad hoc On-Demand Distance Vector (AODV) packet, which triggers an out-of-bounds memory access.
https://support.apple.com/kb/HT205031
https://exchange.xforce.ibmcloud.com/vulnerabilities/98764
http://www.ubuntu.com/usn/USN-2433-1
http://www.securityfocus.com/archive/1/534009/100/0/threaded
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.mandriva.com/security/advisories?name=MDVSA-2015:125
http://www.mandriva.com/security/advisories?name=MDVSA-2014:240
http://www.debian.org/security/2014/dsa-3086
http://lists.opensuse.org/opensuse-updates/2015-02/msg00062.html
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html