🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: OpenSMTPd — LPE and RCE in OpenSMTPD's default install Related CVEs: CVE-2015-7687 CVE-2020-7247 CVE-2020-8793 CVE-2020-8794 Upstream summary: OpenSMTPD developers reports: An out of bounds read in smtpd allows an attacker […]
Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install ruby with rbenv on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2013-1768 Upstream summary: The BrokerFactory functionality in Apache OpenJPA 1.x before 1.2.3 and 2.x before 2.2.2 creates local executable JSP files containing logging trace data produced during deserialization […]
Предыдущая версия данного обучающего руководства была написана Джастином Эллингвудом WordPress — это самая популярная CMS (система управления контентов) в сети Интернет. Она позволяет вам легко настраивать блоги и…
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4746-1 Related CVEs: CVE-2021-27135 Upstream summary: Tavis Ormandy discovered that xterm incorrectly handled certain character sequences. A remote attacker could use this issue to cause xterm to crash, resulting in […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-0611 Related CVEs: CVE-2021-27135 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
MariaDBは、人気の高いLAMP（Linux、Apache、MySQL、PHP/Python/Perl）スタックのMySQL部分の代替として使用されているオープンソースデータベース管理システムです。MySQLの代わりになることが意図されています。このチュートリアルでは、Ubuntu 20.04サーバーにMariaDBをインストールして、それが作動し安全に初期設定されていることを確認する方法を説明します。
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 CVE-2012-0876 CVE-2012-1148 CVE-2012-6702 CVE-2013-0340 CVE-2015-1283 CVE-2016-0718 +12 more Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module […]
Introduction Setting up secure mariadb with mysql_secure_installation on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Secure MariaDB with mysql_secure_installation on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to […]
A simple holy grail layout implementation with CSS grid.
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