Red Hat Security Advisory 2016-0266-01 – OpenStack Orchestration is a template-driven engine used to specify and deploy configurations for Compute, Storage, and OpenStack Networking. A vulnerability was discovered in the OpenStack Orchestration service, where a specially formatted template could be used to trick the heat-engine service into opening a local file. Although the file contents are never disclosed to the end user, an OpenStack- authenticated attacker could use this flaw to cause a denial of service or determine whether a given file name is present on the server.

Ubuntu Security Notice 2895-1 – The DOM implementation in Chromium did not properly restrict frame-attach operations from occurring during or after frame-detach operations. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to bypass same-origin restrictions. An integer underflow was discovered in Brotli. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking the program. Various other issues were also addressed.

Red Hat Security Advisory 2016-0258-01 – Mozilla Thunderbird is a standalone mail and newsgroup client. Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird.