michael from the when-your-packet-sniffer-won't dept.
msolnik writes "Members of The Houston Linux Users Group discovered that the newest sources of libpcap and tcpdump available from tcpdump.org were contaminated with trojan code. HLUG has notified the maintainers of tcpdump.org. See our reports here or here."
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.