Ubuntu Security Notice 4721-1 - Simon McVittieg discovered that flatpak-portal service allowed sandboxed applications to execute arbitrary code on the host system. A malicious user could create a Flatpak application that set environment variables, trusted by the Flatpak "run" command, and use it to execute arbitrary code outside the sandbox.
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Ubuntu Security Notice 4722-1 - It was discovered that ReadyMedia allowed subscription requests with a delivery URL on a different network segment than the fully qualified event-subscription URL. An attacker could use this to hijack smart devices and cause denial of service attacks. It was discovered that ReadyMedia allowed remote code execution. A remote attacker could send a malicious UPnP HTTP request to the service using HTTP chunked encoding and cause a denial of service.
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Red Hat Security Advisory 2021-0421-01 - Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Issues addressed include HTTP request smuggling, denial of service, and use-after-free vulnerabilities.
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Red Hat Security Advisory 2021-0420-01 - Quay 3.4.0 release. Issues addressed include HTTP request smuggling, buffer overflow, information leakage, integer overflow, out of bounds read, and out of bounds write vulnerabilities.
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Tor is a network of virtual tunnels that allows people and groups to improve their privacy and security on the Internet. It also enables software developers to create new communication tools with built-in privacy features. It provides the foundation for a range of applications that allow organizations and individuals to share information over public networks without compromising their privacy. Individuals can use it to keep remote Websites from tracking them and their family members. They can also use it to connect to resources such as news sites or instant messaging services that are blocked by their local Internet service providers (ISPs).
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Clam AntiVirus is an anti-virus toolkit for Unix. The main purpose of this software is the integration with mail servers (attachment scanning). The package provides a flexible and scalable multi-threaded daemon, a command-line scanner, and a tool for automatic updating via Internet. The programs are based on a shared library distributed with the Clam AntiVirus package, which you can use in your own software.
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Red Hat Security Advisory 2021-0417-01 - AMQ Broker is a high-performance messaging implementation based on ActiveMQ Artemis. It uses an asynchronous journal for fast message persistence, and supports multiple languages, protocols, and platforms. This release of Red Hat AMQ Broker 7.8.1 serves as a replacement for Red Hat AMQ Broker 7.8.0, and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section. Issues addressed include an information leakage vulnerability.
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Red Hat Security Advisory 2021-0411-01 - Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.
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