Troubleshooting

VMware ESXi 6.7 — syslog — multiple ESXi vulnerabilities (2 CVEs) — VIB / vLCM patch and remediation guide — diagnosis and fix on VMware ESXi 6.7

VMware ESXi 6.7 — syslog — multiple ESXi vulnerabilities (2 CVEs) — VIB / vLCM patch and remediation guide

🔴 Critical   ⏱ 30–120 min  Last verified: 25 May 2026 Affected versions: VMware ESXi 6.7 📖 ~4 min read  •  Source: VMware advisory VMSA-2022-0029 Related CVEs: CVE-2021-44228 CVE-2021-45046 Fixed image profile / build: ESXi70U3d-19482537 Upstream summary: VMware products bundle vulnerable log4j builds; ESXi syslog and Update Manager components are remediated alongside vCenter. Table of […]

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Windows Server 2016 — KB5087423 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5087423 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5087423 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-34329 CVE-2026-34330  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Heap-based buffer […]

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

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

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:21628 Related CVEs: CVE-2025-47151 CVE-2021-28091 Upstream summary: The lasso packages provide the Lasso library that implements the Liberty Alliance Single Sign-On standards, including the SAML and SAML2 specifications. It allows handling of […]

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Alpine Linux 3.18 — apr — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — apr — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.7.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — apr 1.7.5-r0 Related CVEs: CVE-2023-49582 CVE-2022-24963 CVE-2022-25147 CVE-2022-28331 CVE-2021-35940 Upstream summary: Alpine main repository for vv3.18 ships apr 1.7.5-r0 which addresses CVE-2023-49582. Table of contents […]

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VMware ESXi 6.7 — log4j — multiple ESXi vulnerabilities (3 CVEs) — VIB / vLCM patch and remediation guide — diagnosis and fix on VMware ESXi 6.7

VMware ESXi 6.7 — log4j — multiple ESXi vulnerabilities (3 CVEs) — VIB / vLCM patch and remediation guide

🔴 Critical   ⏱ 30–120 min  Last verified: 25 May 2026 Affected versions: VMware ESXi 6.7 📖 ~4 min read  •  Source: VMware advisory VMSA-2021-0028 Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2021-45105 Fixed image profile / build: ESXi670-202111101-SG Upstream summary: ESXi ships Apache log4j inside several Java-based services; Log4Shell (CVE-2021-44228) requires either patching or applying the documented […]

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Windows Server 2016 — KB5087424 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5087424 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5087424 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-34329 CVE-2026-34330  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Heap-based buffer […]

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NetBSD 9.4 — GraphicsMagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — GraphicsMagick — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2006-5456 CVE-2008-1096 CVE-2008-1097 CVE-2009-1882 CVE-2016-5118 CVE-2017-12936 CVE-2017-15238 CVE-2019-19950  +12 more Upstream summary: pkgsrc audit-packages flagged GraphicsMagick<1.1.7 for vulnerability class 'code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5456 Table of contents Symptom & Impact Environment […]

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Arch Linux — xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202403-1 Related CVEs: CVE-2024-3094 CVE-2022-1271 Upstream summary: Type: authentication bypass. Status: Fixed. Affected: 5.6.0-1. Fixed in: 5.6.1-2. Group: AVG-2851. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:1484 Related CVEs: CVE-2023-5388 CVE-2024-0743 CVE-2024-2607 CVE-2024-2608 CVE-2024-2610 CVE-2024-2611 CVE-2024-2612 CVE-2024-2614  +12 more Upstream summary: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades […]

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Fedora 42 — nss — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — nss — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-7f6ee801e2 Upstream summary: Update NSS to 3.123.1 Update to Firefox 151.0 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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