#dos

A double free in cleanup_index in index.c in Halibut 1.2 allows an attacker to cause a denial of service or possibly have other unspecified impact via a crafted text document.

VMware Tools for Windows(12.0.0, 11.x.y and 10.x.y) contains an XML External Entity (XXE) vulnerability. A malicious actor with non-administrative local user privileges in the Windows guest OS, where VMware Tools is installed, may exploit this issue leading to a denial-of-service condition or unintended information disclosure.

A flaw was found in Undertow. A potential security issue in flow control handling by the browser over http/2 may potentially cause overhead or a denial of service in the server. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.40.Final and prior to 2.2.11.Final.

Ubuntu Security Notice 5439-1 - Gunnar Hjalmarsson discovered that AccountsService incorrectly dropped privileges. A local user could possibly use this issue to cause AccountsService to crash or stop responding, resulting in a denial of service.

Ubuntu Security Notice 5438-1 - It was discovered that HTMLDOC did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted HTML file, a remote attacker could possibly use this issue to cause HTMLDOC to crash, resulting in a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 5437-1 - Tobias Stoeckmann discovered that libXfixes incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 5436-1 - Tobias Stoeckmann discovered that libXrender incorrectly handled certain responses. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code.

Ubuntu Security Notice 5434-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, bypass permission prompts, obtain sensitive information, bypass security restrictions, cause user confusion, or execute arbitrary code. It was discovered that Thunderbird would show the wrong security status after viewing an attached message that is signed or encrypted. An attacker could potentially exploit this by tricking the user into trusting the authenticity of a message.

Ubuntu Security Notice 5435-1 - Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, bypass permission prompts, obtain sensitive information, bypass security restrictions, cause user confusion, or execute arbitrary code. It was discovered that Thunderbird would show the wrong security status after viewing an attached message that is signed or encrypted. An attacker could potentially exploit this by tricking the user into trusting the authenticity of a message.

Ubuntu Security Notice 5433-1 - It was discovered that Vim incorrectly handled parsing of filenames in its search functionality. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service. It was discovered that Vim incorrectly handled memory when opening and searching the contents of certain files. If a user were tricked into opening a specially crafted file, an attacker could crash the application, leading to a denial of service, or possibly achieve code execution with user privileges.