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The internal mechanisms of PostgreSQL allow it to be very fast in some situations and 'not so much' in others.

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Delta Chat is a messenger that operates without its own servers, using email for message exchange. Messages are automatically encrypted using the Autocrypt standard, which is based on OpenPGP. Opportunistic encryption is used by default, but verified contacts can be created by scanning a QR code from another device. New features in version 1.2 include the ability to pin chats and non-blocking addition of contacts using a QR code. […]

WhatsApp will introduce a message auto-delete feature

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Recently, the popular messaging app WhatsApp received support for dark mode, but this does not mean that developers have stopped working on new features. However, this time users can expect something that has been available for years in competing messengers. This refers to the automatic deletion of messages. The beta versions of WhatsApp 2.20.83 and 2.20.84 introduced the option to set […]

DDR4 memory chips remain vulnerable to RowHammer attacks, despite added protections

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A group of researchers from the Vrije Universiteit Amsterdam, the Swiss Federal Institute of Technology Zurich, and Qualcomm conducted a study on the effectiveness of the defense mechanisms against RowHammer attacks implemented in modern DDR4 memory chips, which can alter the contents of individual bits in dynamic RAM (DRAM). The results were disheartening, as DDR4 chips from major manufacturers remain vulnerable (CVE-2020-10255). The RowHammer vulnerability allows for the corruption of specific contents […]

Wine 5.4

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On March 13, Wine 5.4 was released. Wine is a compatibility layer for running Windows applications on POSIX-compliant operating systems, translating Windows API calls to POSIX calls on the fly instead of emulating Windows logic like a virtual machine. Besides more than 34 bug tracker fixes, the new release includes: Unicode updated to version 13 Built-in programs now use the UCRTBase C runtime Improved support […]

Vulnerability in the Bluez Bluetooth stack

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A vulnerability (CVE-2020-0556) has been discovered in the open Bluetooth stack BlueZ, which is used in Linux distributions and Chrome OS, potentially allowing an attacker to access the system. Due to improper access validation in the implementation of Bluetooth profiles HID and HOGP, the vulnerability permits denial of service or privilege escalation when connecting a malicious Bluetooth device without completing the device bonding process. The malicious Bluetooth device […]

Update of the distribution for creating home theaters LibreELEC 9.2.1

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The release of LibreELEC 9.2.1, a fork of the OpenELEC distribution for creating home theaters, has been published. The user interface is based on the Kodi media center. Images are prepared for loading from USB drives or SD cards (32- and 64-bit x86, Raspberry Pi 1/2/3/4, and various devices with Rockchip and Amlogic chips). The new version adds a section in the configurator for setting up VPN use […]

Release of Wine 5.4 and Wine Staging 5.4

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An experimental release of the open WinAPI implementation — Wine 5.4 — has occurred. Since the release of version 5.3, 34 bug reports have been closed, and 373 changes have been made. The most significant changes include: Built-in programs have been transitioned to use the new C runtime UCRTBase; Improved support for domain names containing characters from national alphabets (IDN, Internationalized Domain Names); Direct2D now includes support for drawing rectangles with […]

LoadLibrary, a layer for loading Windows DLLs into Linux applications

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Tavis Ormandy, a security researcher at Google, is developing the LoadLibrary project, aimed at porting DLL libraries compiled for Windows for use in applications on Linux. The project provides a wrapper library that allows DLL files in PE/COFF format to be loaded and specific functions within them to be called. The PE/COFF loader is based on ndiswrapper code. The project's code is distributed under the GPLv2 license. […]

Release APT 2.0

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A new release of the APT package manager has been issued, numbered 2.0. Changes include: Commands that accept package names now support patterns. Their syntax is similar to aptitude. Attention! Masks and regular expressions are no longer supported! Instead, patterns are used. New commands "apt satisfy" and "apt-get satisfy" have been added to satisfy specified dependencies. Pins can be specified by source packages by adding src: […]

Tails 4.4

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On March 12, the release of the new Tails distribution version 4.4, based on Debian GNU/Linux, was announced. Tails is distributed as a live image for USB flash drives and DVDs. The distribution aims to maintain privacy and anonymity while browsing the internet by redirecting traffic through Tor, leaves no traces on the computer unless specified otherwise, and allows for the use of the latest cryptographic utilities. […]

Quarterly update of the initial builds of ALT Linux 9

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The developers of ALT Linux have announced the release of quarterly "starter builds" of the distribution. "Starter builds" are small live builds with various desktop environments, plus server, rescue, and cloud versions; they are available for free download and unlimited use under the GPL, convenient for customization, and are generally intended for experienced users; the package is updated quarterly. They do not claim to be finished solutions, […]

Release of NGINX Unit application server 1.16.0

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The release of the NGINX Unit application server version 1.16 has taken place, which develops a solution for running web applications in various programming languages (Python, PHP, Perl, Ruby, Go, JavaScript/Node.js, and Java). Multiple applications in different programming languages can run simultaneously under NGINX Unit, with launch parameters that can be dynamically changed without the need to modify configuration files and restart. Code […]

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