chris

Ubuntu 16.04 — lucene-solr — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — lucene-solr — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 March 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7283-1 Related CVEs: CVE-2019-0193 CVE-2017-12629 Upstream summary: It was discovered that the Apache Solr DataImportHandler module incorrectly handled certain request parameters in a default configuration. A remote attacker could possibly […]

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

openSUSE Tumbleweed — bchunk — 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 security advisory Related CVEs: CVE-2017-15955 CVE-2017-15953 Upstream summary: bchunk (related to BinChunker) 1.2.0 and 1.2.1 is vulnerable to an "Access violation near NULL on destination operand" and crash when processing a malformed CUE […]

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How to Configure Bridge Networking on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure Bridge Networking on RHEL 8

A Linux network bridge acts like a virtual switch, forwarding frames between connected interfaces at Layer 2. Bridges are essential when running virtual machines with QEMU/KVM or containers (Podman/Docker) that need full network access on the same subnet as the host. On RHEL 8, NetworkManager is the authoritative networking service, and nmcli is the recommended […]

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Oracle Linux 8 — aspell — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — aspell — vulnerability — patch and remediation guide (ELSA-2022-1808)

🟡 Medium   ⏱ 10–30 min  Last verified: 3 March 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-1808 Related CVEs: CVE-2019-25051 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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Arch Linux — libvncserver — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libvncserver — multiple vulnerabilities (2 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-201701-20 Related CVEs: CVE-2016-9942 CVE-2016-9941 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 0.9.10-4. Fixed in: 0.9.11-1. Group: AVG-124. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 10 — faad2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — faad2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 March 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-20196 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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Common Problems 121679

Debian 9 TLS Handshake Failures to Repository or API Endpoints

🟠 High   ⏱ 5–30 min  Last verified: 2 March 2020 Affected versions: Debian 9 📖 ~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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