#ubuntu

A use after free in cleanup_index in index.c in Halibut 1.2 allows an attacker to cause a segmentation fault or possibly have other unspecified impact via a crafted text document.

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 5440-1 - Alexander Lakhin discovered that PostgreSQL incorrectly handled the security restricted operation sandbox when a privileged user is maintaining another user's objects. An attacker having permission to create non-temp objects can use this issue to execute arbitrary commands as the superuser.

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 5434-1 - It was discovered that the methods of an Array object could be corrupted as a result of prototype pollution by sending a message to the parent process. If a user were tricked into opening a specially crafted website, an attacker could exploit this to execute JavaScript in a privileged context.

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.