🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:4329 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟠 High ⏱ 5–30 min Last verified: 29 July 2022 Affected versions: Windows Server 2016 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]
🟢 Low ⏱ 5–15 min Last verified: 29 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-41043 Upstream summary: Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]
🟢 Low ⏱ 5–15 min Last verified: 29 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-33038 Upstream summary: An issue was discovered in management/commands/hyperkitty_import.py in HyperKitty through 1.3.4. When importing a private mailing list's archives, these archives are publicly visible for the duration […]
Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure core files and analysis on ibm aix 7.2 […]
Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use sudo on IBM AIX 7.3 with practical examples […]
🟡 Medium ⏱ 10–30 min Last verified: 29 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: mailman < 2.1.38 — CSRF vulnerability of list mod or member against list admin page Related CVEs: CVE-2021-43331 CVE-2021-43332 CVE-2021-44227 Upstream summary: Mark Sapiro reports: A list moderator or list […]
Redis is an open source key-value cache and storage system, also referred to as a data structure server for its advanced support for several data types, such as hashes, lists, sets, and bitmaps, amongst others. It also supports clustering, which makes it often used for highly-available and scalable environments. In this tutorial, we’ll see how to install and configure an external Redis server to be used as a session handler for a PHP application running on Ubuntu 14.04.
🟢 Low ⏱ 5–15 min Last verified: 29 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-15691 Upstream summary: In Apache uimaj prior to 2.10.2, Apache uimaj 3.0.0-xxx prior to 3.0.0-beta, Apache uima-as prior to 2.10.2, Apache uimaFIT prior to 2.4.0, Apache uimaDUCC prior […]
In this guide, you will learn how to install `fail2ban` on a Rocky Linux 9 server and configure it to monitor your Nginx logs for intrusion attempts. Fail2ban can significantly mitigate brute force attacks by creating rules that automatically alter your firewall configuration to ban specific IPs after a certain number of unsuccessful login attempts. This will allow your server to harden itself against these access attempts without intervention from you.
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