chris

Oracle Linux 8 — dotnet3.1 security and bugfix update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dotnet3.1 security and bugfix update (ELSA-2021-0471)

🟠 High   ⏱ 15–60 min  Last verified: 29 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0471 Related CVEs: CVE-2021-1721 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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WebAssembly for Beginners — step-by-step DevOps tutorial on Progressive Robot

WebAssembly for Beginners

WebAssembly enables you to compile other languages to run in browsers. Discover what WebAssembly is (and isn’t), how to use WebAssembly, and how it changes the way you program for the web.

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How to Set Up Oracle Linux 8 in Oracle Cloud Infrastructure — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Oracle Linux 8 in Oracle Cloud Infrastructure

Introduction This tutorial demonstrates how to Set Up Oracle Linux 8 in Oracle Cloud Infrastructure on Oracle Linux 8. 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 Oracle Linux 8 system with […]

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FreeBSD 12 — typo3-9-php — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — typo3-9-php — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 November 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: typo3 — multiple vulnerabilities Related CVEs: CVE-2019-10912 CVE-2019-12747 CVE-2019-12748 CVE-2020-11063 CVE-2020-11064 CVE-2020-11065 CVE-2020-11066 CVE-2020-11067  +3 more Upstream summary: Typo3 Team reports: In case an attacker manages to generate a valid […]

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Ubuntu 18.04 — freerdp — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — freerdp — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 November 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4382-2 Related CVEs: CVE-2020-11042 CVE-2020-11045 CVE-2020-11046 CVE-2020-11048 CVE-2020-11058 CVE-2020-11521 CVE-2020-11522 CVE-2020-11523  +9 more Upstream summary: It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use […]

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Alpine Linux edge — haproxy — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — haproxy — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.1.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — haproxy 2.1.4-r0 Related CVEs: CVE-2020-11100 Upstream summary: Alpine main repository for vedge ships haproxy 2.1.4-r0 which addresses CVE-2020-11100. Table of contents Symptom & Impact Environment […]

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How To Install and Set Up Manifold Scholar — step-by-step Linux tutorial on Progressive Robot

How To Install and Set Up Manifold Scholar

Manifold is an open-source web application that allows you to publish web-based editions of books and other text-based media so that users can freely read and annotate these texts. Especially suited for use with open access (OA) materials and open…

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Ubuntu 16.04 — glib-networking — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — glib-networking — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 29 November 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4405-1 Related CVEs: CVE-2020-13645 Upstream summary: It was discovered that glib-networking skipped hostname certificate verification if the application failed to specify the server identity. A remote attacker could use this […]

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