Operations

Windows Server 2022 — KB5087539 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5087539 — 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 KB5087539 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-41096 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839  +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 — opusfile — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

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

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.12-r4 📖 ~4 min read  •  Source: Alpine secdb entry — opusfile 0.12-r4 Related CVEs: CVE-2022-47021 Upstream summary: Alpine main repository for vv3.20 ships opusfile 0.12-r4 which addresses CVE-2022-47021. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — ha — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ha — vulnerability — patch and remediation guide

  • May 24, 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-2015-1198 Upstream summary: pkgsrc audit-packages flagged ha-[0-9]* for vulnerability class 'directory-traversal'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2015-1198 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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openSUSE Tumbleweed — libctf0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libctf0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:1475-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-20294 CVE-2014-9939 CVE-2017-12448 CVE-2017-12450 CVE-2017-13757 CVE-2017-14128 CVE-2017-14129 CVE-2017-14130  +12 more Upstream summary: A flaw was found in binutils readelf 2.35 program. An attacker who is […]

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AlmaLinux 9 — qt5-qtbase — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — qt5-qtbase — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:4623 Related CVEs: CVE-2024-39936 CVE-2025-5455 CVE-2023-51714 CVE-2024-25580 CVE-2023-32573 CVE-2023-33285 CVE-2023-34410 CVE-2023-37369  +1 more Upstream summary: Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, […]

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Windows Server 2022 — KB5087541 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5087541 — 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 KB5087541 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-41089 CVE-2026-41096 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839  +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 — orc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

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

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.4.39-r0 📖 ~4 min read  •  Source: Alpine secdb entry — orc 0.4.39-r0 Related CVEs: CVE-2024-40897 Upstream summary: Alpine main repository for vv3.20 ships orc 0.4.39-r0 which addresses CVE-2024-40897. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — harfbuzz — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — harfbuzz — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • May 24, 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-2021-45931 CVE-2024-56732 CVE-2015-8947 CVE-2015-9274 CVE-2022-33068 CVE-2023-25193 CVE-2026-22693 Upstream summary: pkgsrc audit-packages flagged harfbuzz<2.9.1 for vulnerability class 'out-of-bounds-write'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-45931 Table of contents Symptom & Impact Environment & Reproduction Root […]

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

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

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:9158 (see also SUSE bugzilla) Related CVEs: CVE-2021-43612 CVE-2026-46433 Upstream summary: In lldpd before 1.0.13, when decoding SONMP packets in the sonmp_decode function, it's possible to trigger an out-of-bounds heap read via […]

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AlmaLinux 9 — java-11-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — java-11-openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:4567 Related CVEs: CVE-2024-21131 CVE-2024-21138 CVE-2024-21140 CVE-2024-21144 CVE-2024-21145 CVE-2024-21147 CVE-2024-20918 CVE-2024-20919  +12 more Upstream summary: The java-11-openjdk packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development […]

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