CVE-2004-1224: Undefined Security Weakness

Off-by-one error in the mtrcurseskeyaction function for mtr 0.55 through 0.65 allows local users to hijack raw sockets, as demonstrated using the "s" keybinding, which leaves a buffer without a NULL terminator...

Eric Allman Sendmail 8.8.x - Socket Hijack

// source: https://www.securityfocus.com/bid/774/info Through exploiting a combination of seemingly low-risk vulnerabilities in sendmail, it is possible for a malicious local user to have an arbitrary program inherit or "hijack" the file descriptor for the socket listening on priviliged port 25...