The image signature algorithm in OpenStack Glance 11.0.0 allows remote attackers to bypass the signature verification process via a crafted image, which triggers an MD5 collision.Referenceshttp://seclists.org/oss-sec/2015/q4/303https://wiki.openstack.org/wiki/OSSN/OSSN-0061https://bugs.launchpad.net/glance/+bug/1516031
