The kexinputkexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue."
{
"unresolved_ranges": [
{
"source": "CPE_FIELD",
"vendor_product": "openbsd:openssh",
"extracted_events": [
{
"last_affected": "7.1"
},
{
"last_affected": "7.2"
}
],
"cpes": [
"cpe:2.3:a:openbsd:openssh:7.1:*:*:*:*:*:*:*",
"cpe:2.3:a:openbsd:openssh:7.2:*:*:*:*:*:*:*"
]
}
]
}