unbound: integer overflow in a size calculation in respip/respip.c

A flaw was found in unbound. An integer overflow in ubpackedrrsetkey function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability...

DEBIAN-CVE-2019-25039

Unbound before 1.9.5 allows an integer overflow in a size calculation in respip/respip.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited...