Package Management

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 […]

Read more
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 […]

Read more
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 […]

Read more
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 […]

Read more
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 […]

Read more
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 […]

Read more
Ubuntu 18.04 — moin — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — moin — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 29 November 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4629-1 Related CVEs: CVE-2020-15275 CVE-2020-25074 CVE-2017-5934 Upstream summary: Michael Chapman discovered that MoinMoin incorrectly handled certain cache actions. An attacker could possibly use this issue to execute arbitrary code. (CVE-2020-25074) […]

Read more
Oracle Linux 8 — bluez — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bluez — vulnerability — patch and remediation guide (ELSA-2020-1912)

🟢 Low   ⏱ 5–15 min  Last verified: 29 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1912 Related CVEs: CVE-2018-10910 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Arch Linux — wordpress — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — wordpress — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202011-3 Related CVEs: CVE-2020-28040 CVE-2020-28039 CVE-2020-28038 CVE-2020-28037 CVE-2020-28036 CVE-2020-28035 CVE-2020-28034 CVE-2020-28033  +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 5.5.1-1. Fixed in: 5.5.3-1. Group: AVG-1257. Table of contents […]

Read more
Oracle Linux 8 — kernel — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — security and stability fixes — required update (ELSA-2020-5473)

🟡 Medium   ⏱ 10–30 min  Last verified: 28 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-5473 Related CVEs: CVE-2020-16166 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
CHAT