NEC Socks 5

Multiple buffer overflows in NEC SOCKS5 1.0 r11 and earlier allow remote attackers to cause a denial of service and possibly execute arbitrary code via a long username to (1) the GetString function in proxy.c for the SOCKS5 module or (2) the HandleS4Connection function in proxy.c for the SOCKS4 module.

Buffer overflow in socks5 server on Linux allows attackers to execute arbitrary commands via a long connection request.

Buffer overflow in libsocks5 library of Socks 5 (socks5) 1.0r5 allows local users to gain privileges via long environmental variables.