Security Hardening

Debian 13 — xrdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xrdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5902 CVE-2008-5903 CVE-2008-5904 CVE-2013-1430 CVE-2017-16927 CVE-2017-6967 CVE-2020-4044 CVE-2022-23468  +12 more Upstream summary: Buffer overflow in the xrdp_bitmap_invalidate function in xrdp/xrdp_bitmap.c in xrdp 0.4.1 and earlier allows remote attackers […]

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Windows Server 2019 — KB5050181 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5050181 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5050181 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Debian 13 — apt-cacher-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — apt-cacher-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-4510 CVE-2017-7443 CVE-2020-5202 CVE-2025-11146 CVE-2025-11147 Upstream summary: Cross-site scripting (XSS) vulnerability in job.cc in apt-cacher-ng 0.7.26 allows remote attackers to inject arbitrary web script or HTML via a […]

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Debian 11 — retroarch — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — retroarch — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-23914 CVE-2020-23915 CVE-2025-9136 CVE-2025-9809 Upstream summary: An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an […]

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How to Install ClickHouse on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install ClickHouse on Debian 13

Introduction This guide explains how to Install ClickHouse on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the standard repositories […]

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Windows Server 2019 — KB5049688 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5049688 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5049688 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Debian 13 — tcpslice — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — tcpslice — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-41043 Upstream summary: Use after free in tcpslice triggers AddressSanitizer, no other confirmed impact. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 13 — libdnf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libdnf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3445 Upstream summary: A flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can alter […]

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Common Problems 124110

Tmpfs /tmp Fills During Package Build and Breaks Pipelines

🟡 Medium   ⏱ 5–30 min  Last verified: 15 October 2025 Affected versions: Oracle Linux 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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Debian 12 — social-auth-app-django — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — social-auth-app-django — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-32879 CVE-2025-61783 Upstream summary: Python Social Auth is a social authentication/registration mechanism. Prior to version 5.4.1, due to default case-insensitive collation in MySQL or MariaDB databases, third-party authentication […]

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CHAT