Package Management

Ubuntu 16.04 — libapreq2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libapreq2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~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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How to Install Ruby on Rails on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Install Ruby on Rails on SLES 15

Introduction This tutorial covers How to Install Ruby on Rails on SLES 15 on SLES 15. SLES 15 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 15 system is up to date: zypper […]

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SLES 15 — davfs2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — davfs2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 October 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2014-4362 Upstream summary: The Sandbox Profiles implementation in Apple iOS before 8 does not properly restrict the third-party app sandbox profile, which allows attackers to obtain sensitive Apple ID […]

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How to Configure SaltStack on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure SaltStack on Debian 9

Introduction This guide explains how to Configure SaltStack 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 the standard repositories […]

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Debian 10 — dosbox — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — dosbox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 October 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7165 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Configure Docker Log Rotation on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Docker Log Rotation on SLES 12

Introduction This tutorial covers How to Configure Docker Log Rotation on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper […]

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FreeBSD 12 — vips — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — vips — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Fix a buffer overflow in the tiff reader Upstream summary: libvips reports: A buffer overflow was found and fixed in the libvips code Table of contents Symptom & Impact Environment […]

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openSUSE Tumbleweed — libXrandr2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libXrandr2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1986 CVE-2016-7947 Upstream summary: Multiple integer overflows in X.org libXrandr 1.4.0 and earlier allow X servers to trigger allocation of insufficient memory and a buffer […]

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FreeBSD 12 — librsvg — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — librsvg — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: librsvg2 — multiple vulnerabilities Related CVEs: CVE-2015-7557 CVE-2015-7558 CVE-2019-20446 Upstream summary: Librsvg2 developers reports: Backport the following fixes from 2.46.x: Librsvg now has limits on the number of loaded XML […]

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How to Upgrade from Debian 8 to Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Upgrade from Debian 8 to Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up upgrade from debian 8 to debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and […]

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