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Windows Server 2022 — KB5077212 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5077212 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5077212 • MSRC update-guide entry Related CVEs: CVE-2026-21519 CVE-2026-21248 CVE-2026-21247 CVE-2026-21242 CVE-2026-21234 CVE-2026-21236 CVE-2026-21533 CVE-2026-21513  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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NetBSD 9.4 — py-impacket — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-impacket — vulnerability — patch and remediation guide

  • May 23, 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-2021-31800 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39}-impacket-[0-9]* for vulnerability class 'directory-traversal'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-31800 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux edge — libtirpc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libtirpc — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.3.2-r2 📖 ~4 min read  •  Source: Alpine secdb entry — libtirpc 1.3.2-r2 Related CVEs: CVE-2021-46828 Upstream summary: Alpine main repository for vedge ships libtirpc 1.3.2-r2 which addresses CVE-2021-46828. Table of contents Symptom & Impact Environment […]

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Windows Server 2022 — KB5073695 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5073695 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5073695 • MSRC update-guide entry Related CVEs: CVE-2026-0386 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20828 CVE-2026-20831 CVE-2026-20833 CVE-2026-20834  +12 more Affected components: Windows Server 2022 Microsoft summary: Improper access control in Windows Deployment Services allows […]

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openSUSE Tumbleweed — hexchat — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — hexchat — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2018:2790-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-15120 Upstream summary: libpango in Pango 1.40.8 through 1.42.3, as used in hexchat and other products, allows remote attackers to cause a denial of service […]

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NetBSD 9.4 — py-jaraco.context — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-jaraco.context — vulnerability — patch and remediation guide

  • May 23, 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-2026-23949 Upstream summary: pkgsrc audit-packages flagged py{27,310,311,312,313,314}-jaraco.context<6.1.0 for vulnerability class 'directory-traversal'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-23949 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux edge — libtommath — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libtommath — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.2.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libtommath 1.2.1-r0 Related CVEs: CVE-2023-36328 Upstream summary: Alpine community repository for vedge ships libtommath 1.2.1-r0 which addresses CVE-2023-36328. Table of contents Symptom & Impact Environment […]

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Windows Server 2022 — KB5073696 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5073696 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5073696 • MSRC update-guide entry Related CVEs: CVE-2026-21265 CVE-2026-0386 CVE-2026-20805 CVE-2026-20809 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20824  +12 more Affected components: Windows Server 2022 Microsoft summary: Windows Secure Boot stores Microsoft certificates in the […]

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

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

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0806-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-3504 CVE-2021-3622 Upstream summary: A flaw was found in the hivex library in versions before 1.3.20. It is caused due to a lack of bounds […]

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