🟡 Medium ⏱ 10–30 min Last verified: 8 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2013-0289 CVE-2021-20247 CVE-2021-3578 CVE-2021-3657 Upstream summary: Isync 0.4 before 1.0.6, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or […]
🟢 Low ⏱ 5–15 min Last verified: 8 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2015-0855 Upstream summary: The _mediaLibraryPlayCb function in mainwindow.py in pitivi before 0.95 allows attackers to execute arbitrary code via shell metacharacters in a file path. Table of contents […]
Introduction This guide explains how to Configure ModSecurity WAF with Apache2 on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with […]
Learn how to install Redis on Ubuntu and secure it with authentication, localhost binding, and configuration best practices.
🟠 High ⏱ 15–60 min Last verified: 8 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2013-2503 CVE-2015-1030 CVE-2015-1031 CVE-2015-1380 CVE-2015-1381 CVE-2015-1382 CVE-2016-1982 CVE-2016-1983 +12 more Upstream summary: Privoxy before 3.0.21 does not properly handle Proxy-Authenticate and Proxy-Authorization headers in the client-server data stream, […]
🟢 Low ⏱ 5–15 min Last verified: 8 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2014-1626 Upstream summary: XML External Entity (XXE) vulnerability in MARC::File::XML module before 1.0.2 for Perl, as used in Evergreen, Koha, perl4lib, and possibly other products, allows context-dependent attackers […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:1586 Related CVEs: CVE-2019-13012 CVE-2020-13543 CVE-2020-13584 CVE-2020-16125 CVE-2020-9948 CVE-2020-9951 CVE-2020-9983 CVE-2021-1817 +4 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]
Configuration management is an administrative concept that deals with managing multiple remote machines from a single server in an automated way. Ansible is a simple, but powerful configuration management system that communicates with and configures remote systems through simple SSH connections. In this guide, we will discuss how to install and configure an Ansible server that we can later use to control our hosts
🟢 Low ⏱ 5–15 min Last verified: 8 November 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6792-1 Related CVEs: CVE-2021-23385 Upstream summary: Naom Moshe discovered that Flask-Security incorrectly validated URLs. An attacker could use this issue to redirect users to arbitrary URLs. Table of contents Symptom […]
🟡 Medium ⏱ 10–30 min Last verified: 8 November 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-9512 CVE-2019-17559 CVE-2020-17508 CVE-2020-9494 CVE-2021-27577 CVE-2021-37147 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
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