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Windows Server 2025 — KB5087544 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5087544 — 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 KB5087544 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839 CVE-2026-33841 CVE-2026-34329  +12 more Affected components: Windows Server 2025 Microsoft summary: Heap-based buffer overflow in Windows GDI allows an […]

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FreeBSD 15 — drm-fbsd12.0-kmod — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — drm-fbsd12.0-kmod — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 19, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: drm graphics drivers — potential information disclusure via local access Related CVEs: CVE-2019-0154 CVE-2019-11112 CVE-2019-14615 Upstream summary: Intel reports: .A potential security vulnerability in Intel(R) Processor Graphics may allow information […]

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Amazon Linux 2023 — ngtcp2 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — ngtcp2 — vulnerability — patch and remediation guide

  • June 19, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1633 Related CVEs: CVE-2026-40170 Upstream summary: ngtcp2 is a C implementation of the IETF QUIC protocol. In versions prior to 1.22.1, ngtcp2_qlog_parameters_set_transport_params() serializes peer transport parameters into a fixed 1024-byte […]

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Common Problems 113978

RHEL 10 Podman Container Fails with Cgroup Permission Errors

  • June 19, 2026
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 19 June 2026 Affected versions: RHEL 10 📖 ~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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FreeBSD 15 — WebCalendar-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — WebCalendar-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 19, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: WebCalendar — multiple vulnerabilities Related CVEs: CVE-2012-0846 CVE-2012-1495 CVE-2012-1496 Upstream summary: Hanno Boeck reports: Fixes [are now available] for various security vulnerabilities including LFI (local file inclusion), XSS (cross site […]

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Amazon Linux 2023 — kernel6.18 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel6.18 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 19, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1709 Related CVEs: CVE-2026-46300 CVE-2025-71239 CVE-2025-71265 CVE-2025-71266 CVE-2025-71267 CVE-2025-71295 CVE-2025-71298 CVE-2025-71301  +12 more Upstream summary: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker […]

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FreeBSD 15 — py311-pdfminer.six — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py311-pdfminer.six — vulnerability — patch and remediation guide

  • June 19, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-pdfminer.six — Arbitrary Code Execution in pdfminer.six via Crafted PDF Input Related CVEs: CVE-2025-64512 Upstream summary: Pieter Marsman reports: pdfminer.six will execute arbitrary code from a malicious pickle file if […]

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Alpine Linux edge — libheif — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libheif — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • June 19, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.5.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libheif 1.5.0-r0 Related CVEs: CVE-2019-11471 CVE-2025-68431 CVE-2023-49462 CVE-2023-49463 Upstream summary: Alpine community repository for vedge ships libheif 1.5.0-r0 which addresses CVE-2019-11471. Table of contents Symptom […]

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FreeBSD 15 — py39-joblib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py39-joblib — vulnerability — patch and remediation guide

  • June 19, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py39-joblib — arbitrary code execution Related CVEs: CVE-2022-21797 Upstream summary: jimlinntu reports: The package joblib from 0 and before 1.2.0 are vulnerable to Arbitrary Code Execution via the pre_dispatch flag […]

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NetBSD 9.4 — py-cbor2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-cbor2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 19, 2026
  • BSD
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🟡 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-2025-64076 CVE-2024-26134 CVE-2025-68131 Upstream summary: pkgsrc audit-packages flagged py{27,39,310,311,312,313,314}-cbor2<5.7.1 for vulnerability class 'multiple-vulnerabilities'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-64076 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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