Fix Prevention

Ubuntu 14.04 — libapreq2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libapreq2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 August 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5041-1 Related CVEs: CVE-2019-12412 Upstream summary: It was discovered that libapreq2 did not properly sanitize the Content-Type field in certain crafted HTTP requests. An attacker could possibly use the vulnerability […]

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Gentoo Linux — www-client/seamonkey — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-client/seamonkey — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202402-24 Upstream summary: Multiple vulnerabilities have been discovered in Seamonkey. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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How to Restrict Kernel Module Loading on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Restrict Kernel Module Loading on Debian 9

Introduction How to Restrict Kernel Module Loading on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. […]

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SLES 15 — libtool — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libtool — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 August 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2010:006 (see also SUSE bugzilla) Related CVEs: CVE-2009-3736 Upstream summary: ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other […]

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Arch Linux — cacti — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — cacti — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201712-2 Related CVEs: CVE-2017-16785 CVE-2017-16661 CVE-2017-16660 CVE-2017-16641 CVE-2017-11691 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 1.1.17-1. Fixed in: 1.1.28-1. Group: AVG-537. Table of contents Symptom & Impact Environment & […]

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How to Configure Windows Server Software-Defined Networking (SDN) on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server Software-Defined Networking (SDN) on Windows Server 2019

Introduction to Software-Defined Networking on Windows Server 2019 Software-Defined Networking (SDN) in Windows Server 2019 provides a programmable network infrastructure that decouples network configuration from the underlying hardware. Windows Server 2019 SDN, part of the Microsoft SDN stack, includes Network Controller (NC), Software Load Balancer (SLB), Windows Server Gateway (WSG), and Hyper-V Network Virtualisation (HNV). […]

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Common Problems 118612

Ubuntu 16.04 LTS – sudo fails due to incorrect /etc/sudoers permissions – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 August 2019 Affected versions: Ubuntu 16.04 LTS 📖 ~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 […]

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FreeBSD 12 — libproxy-gnome — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libproxy-gnome — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

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FreeBSD 12 — xdelta — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — xdelta — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 August 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xdelta3 — buffer overflow vulnerability Related CVEs: CVE-2014-9765 Upstream summary: Stepan Golosunov reports: Buffer overflow was found and fixed in xdelta3 binary diff tool that allows arbitrary code execution from […]

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