August 2025 - Page 55 of 113

Windows Server 2025 — KB5048653 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5048653 — 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 KB5048653 • MSRC update-guide entry Related CVEs: CVE-2024-49105 CVE-2024-49106 CVE-2024-49108 CVE-2024-49115 CVE-2024-49117 CVE-2024-49122 CVE-2024-49123 CVE-2024-49124  +12 more Affected components: Windows Server 2025 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 13 — libcpan-checksums-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libcpan-checksums-perl — vulnerability — patch and remediation guide

  • August 17, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 17 August 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-16155 Upstream summary: The CPAN::Checksums package 2.12 for Perl does not uniquely define signed data. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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AlmaLinux 8 — perl-Module-Metadata — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Module-Metadata — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • August 17, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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Debian 12 — golang-github-ulikunitz-xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-github-ulikunitz-xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • August 17, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 17 August 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-29482 CVE-2025-58058 Upstream summary: xz is a compression and decompression library focusing on the xz format completely written in Go. The function readUvarint used to read the xz […]

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Windows Server 2022 — KB5062624 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5062624 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5062624 • MSRC update-guide entry Related CVEs: CVE-2025-47980 CVE-2025-55230 CVE-2025-49757 CVE-2025-47971 CVE-2025-47976 CVE-2025-47984 CVE-2025-47985 CVE-2025-47986  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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Common Problems 113982

sshd fails due to hardened crypto policy mismatch

🔴 Critical   ⏱ 5–30 min  Last verified: 17 August 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Problem Summary Symptoms Diagnostics Root Cause Primary Fix Verification Prevention Rollback Automation Command Reference Escalation Related Notes Problem Summary OpenSSH daemon refuses to start after crypto policy changes. Symptoms systemctl status […]

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

How to Install Valkey on Debian 13

  • August 17, 2025
  • Linux
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Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up install valkey on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting configuration will persist […]

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Alpine Linux 3.20 — openrc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — openrc — vulnerability — patch and remediation guide

  • August 17, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.44.6-r1 📖 ~4 min read  •  Source: Alpine secdb entry — openrc 0.44.6-r1 Related CVEs: CVE-2021-42341 Upstream summary: Alpine main repository for vv3.20 ships openrc 0.44.6-r1 which addresses CVE-2021-42341. Table of contents Symptom & Impact Environment […]

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Ubuntu 24.04 — dnsdist — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — dnsdist — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 17, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 August 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8037-1 Related CVEs: CVE-2025-30193 CVE-2025-30187 CVE-2025-8671 Upstream summary: It was discovered that HTTP/2, which is used/vendored by DNSdist, did not properly account for resources when handling client-triggered stream resets. An […]

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Alpine Linux 3.20 — mingw-w64-binutils — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — mingw-w64-binutils — vulnerability — patch and remediation guide

  • August 17, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.36-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mingw-w64-binutils 2.36-r0 Related CVEs: CVE-2020-35448 Upstream summary: Alpine community repository for vv3.20 ships mingw-w64-binutils 2.36-r0 which addresses CVE-2020-35448. Table of contents Symptom & Impact Environment […]

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AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server

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