Common Problems

Windows Server 2019 — KB5087423 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5087423 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~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-2026-33839 CVE-2026-34329  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Windows […]

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SLES 16 — libneon27 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libneon27 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • May 27, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2007:002 (see also SUSE bugzilla) Related CVEs: CVE-2007-0157 CVE-2008-3746 CVE-2009-2473 CVE-2009-2474 Upstream summary: Array index error in the uri_lookup function in the URI parser for neon 0.26.0 to 0.26.2, possibly only on […]

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openSUSE Leap 15.6 — libecal — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libecal — vulnerability — patch and remediation guide

  • May 27, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0775-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-2604 Upstream summary: Unknown. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix […]

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CentOS Stream 9 — pgaudit — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — pgaudit — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:4110 Related CVEs: CVE-2026-2003 CVE-2026-2004 CVE-2026-2005 CVE-2026-2006 CVE-2025-8714 CVE-2025-8715 CVE-2025-1094 CVE-2024-10976  +12 more Upstream summary: PostgreSQL is an advanced object-relational database management system (DBMS). Security Fix(es): * postgresql: PostgreSQL missing validation […]

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Oracle Linux 8 — 389-ds:1.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — 389-ds:1.4 — vulnerability — patch and remediation guide (ELSA-2026-5513)

  • May 27, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-5513 Related CVEs: CVE-2025-14905 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Windows Server 2016 — KB5073698 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5073698 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5073698 • MSRC update-guide entry Related CVEs: CVE-2026-21265 CVE-2026-0386 CVE-2026-20805 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20824 CVE-2026-20828  +12 more Affected components: Windows Server 2016 Microsoft summary: Windows Secure Boot stores Microsoft certificates in the […]

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Amazon Linux 2 — xorg-x11-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — xorg-x11-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2026-3268 Related CVEs: CVE-2026-33999 CVE-2026-34001 CVE-2026-34002 CVE-2026-34003 CVE-2025-62229 CVE-2025-62230 CVE-2025-62231 CVE-2025-26594  +12 more Upstream summary: XKB Integer Underflow in XkbSetCompatMap() (CVE-2026-33999) XSYNC Use-after-free in miSyncTriggerFence() (CVE-2026-34001) XKB Out-of-bounds read in […]

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SLES 12 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1347-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-34714 CVE-2026-34982 CVE-2023-4750 CVE-2024-22667 CVE-2023-5535 CVE-2023-4733 CVE-2023-4738 CVE-2023-4752  +12 more Upstream summary: Vim before 9.2.0272 allows code execution that happens immediately upon opening a crafted […]

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SLES 12 — libXvnc1 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libXvnc1 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

  • May 27, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 27 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:2880-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-26117 CVE-2014-0011 CVE-2026-34352 CVE-2016-10207 CVE-2019-15691 CVE-2019-15692 CVE-2019-15693 CVE-2019-15694  +10 more Upstream summary: In rfb/CSecurityTLS.cxx and rfb/CSecurityTLS.java in TigerVNC before 1.11.0, viewers mishandle TLS certificate exceptions. […]

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SLES 16 — libgio — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libgio — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 27, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 27 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0355-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-1484 CVE-2026-1489 CVE-2025-13601 CVE-2025-14087 CVE-2019-12450 CVE-2024-52533 CVE-2025-6052 CVE-2025-14512  +12 more Upstream summary: A flaw was found in the GLib Base64 encoding routine when processing very […]

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