Introduction This guide explains how to Configure SSH Hardening on Debian 11 on Debian 11 Bullseye. Debian Bullseye 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 11 install with the standard […]
🟢 Low ⏱ 5–15 min Last verified: 19 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2014-10073 Upstream summary: The create_response function in server/server.c in Psensor before 1.1.4 allows Directory Traversal because it lacks a check for whether a file is under the webserver […]
🟡 Medium ⏱ 10–30 min Last verified: 19 March 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7360-1 Related CVEs: CVE-2020-14929 CVE-2021-38370 CVE-2021-46853 Upstream summary: It was discovered that Alpine did not use a secure connection under certain circumstances. A remote attacker could possibly use this issue […]
🟢 Low ⏱ 5–15 min Last verified: 19 March 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6158-1 Related CVEs: CVE-2022-0235 Upstream summary: It was discovered that Node Fetch incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202407-02 Related CVEs: CVE-2022-27470 Upstream summary: A vulnerability has been discovered in SDL_ttf. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALEA-2020:4664 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 […]
Introduction This tutorial demonstrates how to Set Up Graylog on CentOS Stream 9 on CentOS Stream 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered CentOS Stream 9 system with the default […]
🟢 Low ⏱ 5–15 min Last verified: 18 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-7981 Upstream summary: sql.rb in Geocoder before 1.6.1 allows Boolean-based SQL injection when within_bounding_box is used in conjunction with untrusted sw_lat, sw_lng, ne_lat, or ne_lng data. Table of […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALBA-2021:4301 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 […]
🟢 Low ⏱ 5–15 min Last verified: 18 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2008-4960 Upstream summary: impose in impose+ 0.2 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/*-tmp.ps and (2) /tmp/bboxx-* temporary files. Table of […]
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