Package Management

Oracle Linux 10 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50184)

🟠 High   ⏱ 15–60 min  Last verified: 8 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50184 Related CVEs: CVE-2025-40135 CVE-2026-23004 CVE-2026-23231 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How to Install and Configure ISC DHCP Server on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install and Configure ISC DHCP Server on FreeBSD 15

Introduction Deploying install and configure isc dhcp server on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]

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AlmaLinux 9 — python3.11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — python3.11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:10774 Related CVEs: CVE-2026-4786 CVE-2026-6100 CVE-2026-4519 CVE-2024-12718 CVE-2025-4138 CVE-2025-4330 CVE-2025-4435 CVE-2025-4517  +12 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic […]

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Common Problems 115897

apt update fails with NO_PUBKEY after release upgrade

🟠 High   ⏱ 5–30 min  Last verified: 7 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Windows Server 2025 — KB5087048 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5087048 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5087048 • MSRC update-guide entry Related CVEs: CVE-2026-32177 CVE-2026-35433 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2025 Microsoft summary: Heap-based buffer overflow in .NET allows an unauthorized attacker […]

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FreeBSD 14 — py311-dj52-social-auth-app-django — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — py311-dj52-social-auth-app-django — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-social-auth-app-django — Unsafe account association Related CVEs: CVE-2025-61783 Upstream summary: Michal Čihař reports: Upon authentication, the user could be associated by e-mail even if the associate_by_email pipeline was not included. […]

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Windows Server 2025 — KB5062597 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5062597 — 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 KB5062597 • MSRC update-guide entry Related CVEs: CVE-2025-47980 CVE-2025-47981 CVE-2025-55230 CVE-2025-49757 CVE-2025-55231 CVE-2025-47971 CVE-2025-47976 CVE-2025-47984  +12 more Affected components: Windows Server 2025 Microsoft summary: Exposure of sensitive information to an unauthorized actor […]

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FreeBSD 15 — plib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — plib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: plib — stack-based buffer overflow Related CVEs: CVE-2011-4620 CVE-2012-4552 Upstream summary: CVE reports: Stack-based buffer overflow in the error function in ssg/ssgParser.cxx in PLIB 1.8.5 allows remote attackers to execute […]

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FreeBSD 15 — xemacs-mule — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — xemacs-mule — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: emacs — movemail format string vulnerability Related CVEs: CVE-2005-0100 Upstream summary: Max Vozeler discovered several format string vulnerabilities in the movemail utility of Emacs. They can be exploited when connecting […]

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