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Ubuntu 20.04 — linux-aws — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-aws — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8273-1 Related CVEs: CVE-2024-50304 CVE-2026-23112 CVE-2026-23209 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533 CVE-2026-43033 CVE-2026-43077  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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Cybersecurity business

How to Secure Your Business Network: A Practical Guide for Chester SMEs

Business network is at the heart of what we cover here at Progressive Robot. This article explains how business network applies in practice, why it matters, and how teams can put it to work effectively. Business network explained The sections below explore business network in more detail, with practical context drawn from Progressive Robot engagements. […]

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AlmaLinux 10 — gstreamer1-plugins-good — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — gstreamer1-plugins-good — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:6259 Related CVEs: CVE-2026-2920 CVE-2026-2921 CVE-2026-2922 CVE-2026-2923 CVE-2026-3082 CVE-2026-3083 CVE-2026-3085 Upstream summary: GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package contains […]

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Common Problems 113943

RHEL 10 – dnf cannot download metadata due to mirror TLS validation errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 March 2026 Affected versions: RHEL 10 📖 ~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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FreeBSD 15 — py37-matrix-synapse — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py37-matrix-synapse — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-matrix-synapse — unbounded recursion in urlpreview Related CVEs: CVE-2019-5885 CVE-2020-26257 CVE-2020-26891 CVE-2021-29471 CVE-2021-39163 CVE-2021-39164 CVE-2021-41281 CVE-2022-31052 Upstream summary: Matrix developers report: This release fixes a vulnerability with Synapse's URL preview […]

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AlmaLinux 10 — dotnet8.0 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — dotnet8.0 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8470 Related CVEs: CVE-2026-26171 CVE-2026-32178 CVE-2026-32203 CVE-2026-33116 CVE-2026-26130 Upstream summary: .NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a […]

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FreeBSD 15 — varnish-libvmod-digest — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — varnish-libvmod-digest — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: www/varnish-libvmod-digest — base64 decoding vulnerability Related CVEs: CVE-2023-41104 Upstream summary: varnish developers report: Common usage of vmod-digest is for basic HTTP authentication, in which case it may be possible for […]

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Windows Server 2025 — KB5087423 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5087423 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5087423 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-41096 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839  +12 more Affected components: Windows Server 2025 Microsoft summary: Heap-based buffer overflow in Windows GDI allows an […]

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FreeBSD 15 — linux-blackdown-jdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — linux-blackdown-jdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jdk/jre — Applet Caching May Allow Network Access Restrictions to be Circumvented Related CVEs: CVE-2004-1029 CVE-2005-1080 CVE-2007-5232 Upstream summary: SUN reports: A vulnerability in the Java Runtime Environment (JRE) with […]

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