Operations

Windows Server 2022 — KB5087537 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5087537 — 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 KB5087537 • 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 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.7.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — optipng 0.7.8-r0 Related CVEs: CVE-2023-43907 Upstream summary: Alpine community repository for vv3.20 ships optipng 0.7.8-r0 which addresses CVE-2023-43907. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — h8300-elf-binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — h8300-elf-binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-8501 CVE-2014-8502 CVE-2014-8503 Upstream summary: pkgsrc audit-packages flagged h8300-elf-binutils<2.25 for vulnerability class 'out-of-bounds-write'. Reference: http://www.cvedetails.com/cve/CVE-2014-8501/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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openSUSE Tumbleweed — libaom3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libaom3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:1359-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-30474 CVE-2021-30475 Upstream summary: aom_dsp/grain_table.c in libaom in AOMedia before 2021-03-30 has a use-after-free. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 9 — freeradius — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — freeradius — multiple vulnerabilities (4 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-2024:4935 Related CVEs: CVE-2024-3596 CVE-2022-41859 CVE-2022-41860 CVE-2022-41861 Upstream summary: FreeRADIUS is a high-performance and highly configurable free Remote Authentication Dial In User Service (RADIUS) server, designed to allow centralized authentication and authorization […]

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Windows Server 2022 — KB5087538 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5087538 — 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 KB5087538 • 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-2026-33839 CVE-2026-34329  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0 📖 ~4 min read  •  Source: Alpine secdb entry — opus 0 Related CVEs: CVE-2022-25345 Upstream summary: Alpine main repository for vv3.20 ships opus 0 which addresses CVE-2022-25345. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — h8300-hms-binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — h8300-hms-binutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-8501 CVE-2014-8502 CVE-2014-8503 Upstream summary: pkgsrc audit-packages flagged h8300-hms-binutils<2.25 for vulnerability class 'out-of-bounds-write'. Reference: http://www.cvedetails.com/cve/CVE-2014-8501/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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openSUSE Tumbleweed — mailman3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — mailman3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-34337 CVE-2025-53882 Upstream summary: An issue was discovered in Mailman Core before 3.3.5. An attacker with access to the REST API could use timing attacks […]

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AlmaLinux 9 — libndp — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libndp — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:4636 Related CVEs: CVE-2024-5564 Upstream summary: Libndp is a library (used by NetworkManager) that provides a wrapper for the IPv6 Neighbor Discovery Protocol. It also provides a tool named ndptool for sending […]

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