It was found in FreeBSD 8.0, 6.3 and 4.9, and OpenBSD 4.6 that a null pointer dereference in ftpd/popen.c may lead to remote denial of service of the ftpd service.
[
{
"product": "FreeBSD and OpenBSD ftpd service",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "FreeBSD 8.0, 6.3 and 4.9, OpenBSD 4.6"
}
]
}
]