July 2021 - Page 44 of 69

FreeBSD 13 — php71-gd — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php71-gd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-gd and gd — Buffer over-read into uninitialized memory Related CVEs: CVE-2017-7890 Upstream summary: PHP developers report: The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka […]

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How to Install and Configure LXC Containers on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure LXC Containers on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up install and configure lxc containers on 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 […]

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Debian 9 — python-pysaml2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — python-pysaml2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-5390 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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Ubuntu 20.04 — plib — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — plib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6353-1 Related CVEs: CVE-2021-38714 Upstream summary: Wooseok Kang discovered that PLIB did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted TGA […]

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SLES 12 — libSDL — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libSDL — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:0104-2 (see also SUSE bugzilla) Related CVEs: CVE-2020-14409 CVE-2020-14410 CVE-2021-33657 CVE-2019-13616 CVE-2019-7572 CVE-2019-7573 CVE-2019-7574 CVE-2019-7575  +7 more Upstream summary: SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy […]

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How to Configure Windows Server 2019 Group Policy Troubleshooting — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 Group Policy Troubleshooting

How to Configure Windows Server 2019 Group Policy Troubleshooting Group Policy troubleshooting is one of the most common tasks for Windows Server administrators. GPO issues can manifest as settings not applying, inconsistent behavior between users or computers, slow logon times, or unexpected policy applications. Windows Server 2019 provides a comprehensive set of tools for diagnosing […]

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