CVE-2017-9214: openvswitch: Integer underflow in the ofputil_pull_queue_get_config_reply10 function

Severity: Critical

CVSS Score: 9.8

In Open vSwitch (OvS) 2.7.0, while parsing an OFPT_QUEUE_GET_CONFIG_REPLY type OFP 1.0 message, there is a buffer over-read that is caused by an unsigned integer underflow in the function `ofputil_pull_queue_get_config_reply10` in `lib/ofp-util.c`.