Fix Prevention

Windows Server 2025 — KB5063899 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5063899 — 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 KB5063899 • MSRC update-guide entry Related CVEs: CVE-2025-50176 CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762  +12 more Affected components: Windows Server 2025 Microsoft summary: Access of resource using incompatible type ('type confusion') […]

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Debian 13 — libimage-info-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libimage-info-perl — vulnerability — patch and remediation guide

  • November 8, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9181 Upstream summary: perl-Image-Info: When parsing an SVG file, external entity expansion (XXE) was not disabled. An attacker could craft an SVG file which, when processed by an application […]

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How to Configure Nginx Rate Limiting and Connection Throttling on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Nginx Rate Limiting and Connection Throttling on RHEL 9

  • November 8, 2025
  • Linux
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Rate limiting is a server-side defence that restricts how many requests a client can make within a time window. Without rate limiting, a single IP address or bot can flood your server with thousands of requests per second — crashing your application, exhausting your database connection pool, or triggering denial-of-service conditions. Nginx provides two rate […]

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How to Configure Container Networking on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Configure Container Networking on SLES 16

Introduction This tutorial covers How to Configure Container Networking on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh […]

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

Debian 13 — most — vulnerability — patch and remediation guide

  • November 8, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 8 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-1253 Upstream summary: The most package in Debian wheezy before 5.0.0a-2.2, in Debian jessie before 5.0.0a-2.3+deb8u1, and in Debian unstable before 5.0.0a-3 allows remote attackers to execute arbitrary commands […]

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How to Configure kubectl on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Configure kubectl on SLES 16

Introduction This tutorial covers How to Configure kubectl on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh && […]

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Debian 13 — glewlwyd — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — glewlwyd — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • November 8, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 8 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40818 CVE-2021-45379 CVE-2022-27240 CVE-2022-29967 CVE-2023-49208 CVE-2024-25715 Upstream summary: scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration. Table of […]

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AlmaLinux 8 — mockito — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mockito — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • November 8, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean by default […]

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How to Configure Nginx with ModSecurity WAF on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Nginx with ModSecurity WAF on RHEL 9

  • November 8, 2025
  • Linux
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ModSecurity as a dynamic Nginx module extends Nginx with WAF capabilities, blocking SQL injection, XSS, command injection, and hundreds of other attack patterns defined by the OWASP Core Rule Set. Unlike the Apache version which uses the stable mod_security2, the Nginx connector uses the newer libmodsecurity3 C++ library with a ngx_http_modsecurity_module connector. On RHEL 9, […]

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How to Install Kubernetes with kubeadm on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on SLES 16

Introduction This tutorial covers How to Install Kubernetes with kubeadm on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Step 1 — Disable Swap swapoff -a sed -i ‘/ swap […]

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