rcvtty in BSD 3.0 and 4.0 does not properly drop privileges before executing a script, which allows local attackers to gain privileges by specifying an alternate Trojan horse script on the command line.

ip_input.c in BSD-derived TCP/IP implementations allows remote attackers to cause a denial of service (crash or hang) via crafted packets.

Buffer overflow in WU-FTPD and related FTP servers allows remote attackers to gain root privileges via macro variables in a message file.

Denial of service in WU-FTPD via the SITE NEWER command, which does not free memory properly.

Buffer overflow in Berkeley automounter daemon (amd) logging facility provided in the Linux am-utils package and others.

Denial of service in BSDi Symmetric Multiprocessing (SMP) when an fstat call is made when the system has a high CPU load.

OpenBSD, BSDI, and other Unix operating systems allow users to set chflags and fchflags on character and block devices.

Buffer overflow in bootpd on OpenBSD, FreeBSD, and Linux systems via a malformed header type.

IP fragmentation denial of service in FreeBSD allows a remote attacker to cause a crash.

Buffer overflow in NFS mountd gives root access to remote attackers, mostly in Linux systems.