Which item is the great majority of software vulnerabilities that have been discovered?

Which item is the great majority of software vulnerabilities that have been discovered?

A.
Stack vulnerabilities

B.
Heap overflows

C.
Software overflows

D.
Buffer overflows

Explanation:
A majority of software vulnerabilities that are discovered are buffer overflows. Reports suggest that
two out of every three software vulnerabilities that are identified by the CERT team are buffer

overflows.
Reference: Implementing Cisco IOS Network Security (IINS 640-554) Foundation Learning Guide,
By Catherine Paquet