Common Problems

Windows Server 2019 — KB5089548 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5089548 — 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 KB5089548 • 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-2026-34329 CVE-2026-34330  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Windows […]

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SLES 16 — python313-py — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — python313-py — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 29, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:245-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-29651 CVE-2022-42969 Upstream summary: A denial of service via regular expression in the py.path.svnwc component of py (aka python-py) through 1.9.0 could be used by […]

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SLES 16 — libXrender1 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libXrender1 — vulnerability — patch and remediation guide

  • March 29, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1095-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1987 Upstream summary: Multiple integer overflows in X.org libXrender 0.9.7 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow […]

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SLES 16 — python313-pip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — python313-pip — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • March 29, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-FU-2021:2130-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-5123 CVE-2014-8991 CVE-2015-2296 CVE-2019-20916 CVE-2023-5752 CVE-2026-1703 Upstream summary: The mirroring support (-M, –use-mirrors) in Python Pip before 1.5 uses insecure DNS querying and authenticity checks […]

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NetBSD 9.4 — freerdp2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — freerdp2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • March 29, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2026-22851 CVE-2026-22856 CVE-2026-22857 CVE-2026-23883 CVE-2026-23884 CVE-2026-24491 CVE-2026-24675 CVE-2026-24676  +12 more Upstream summary: pkgsrc audit-packages flagged freerdp2<3.20.1 for vulnerability class 'use-after-free'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-22851 Table of contents Symptom & Impact Environment […]

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Oracle Linux 10 — python3.12 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — python3.12 — vulnerability — patch and remediation guide (ELSA-2026-10711)

  • March 29, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 March 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-10711 Related CVEs: CVE-2026-4786 CVE-2026-6100 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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SLES 16 — postgresql14 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — postgresql14 — vulnerability — patch and remediation guide

  • March 29, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 29 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1651-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-4317 Upstream summary: Missing authorization in PostgreSQL built-in views pg_stats_ext and pg_stats_ext_exprs allows an unprivileged database user to read most common values and other statistics […]

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CentOS Stream 10 — libarchive — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — libarchive — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 29, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 29 March 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:8492 Related CVEs: CVE-2026-4424 CVE-2026-4111 Upstream summary: The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is […]

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Windows Server 2016 — KB5055570 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5055570 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5055570 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-26664 CVE-2025-26665 CVE-2025-26669 CVE-2025-26667 CVE-2025-26668  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Microsoft summary: Use after […]

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Red Hat Enterprise Linux 8 — poppler — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — poppler — vulnerability — patch and remediation guide

  • March 29, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:1091 Related CVEs: CVE-2025-32365 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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