Security Hardening

Windows Server 2019 — KB5062592 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5062592 — 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 KB5062592 • MSRC update-guide entry Related CVEs: CVE-2025-47980 CVE-2025-47981 CVE-2025-55230 CVE-2025-49757 CVE-2025-47971 CVE-2025-47976 CVE-2025-47984 CVE-2025-47985  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Exposure of sensitive information to […]

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

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

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:14525-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-52316 CVE-2018-8037 CVE-2026-29146 CVE-2026-32990 CVE-2026-34486 CVE-2025-66614 CVE-2025-55752 CVE-2025-48989  +12 more Upstream summary: Unchecked Error Condition vulnerability in Apache Tomcat. If Tomcat is configured to use […]

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AlmaLinux 8 — jctools — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — jctools — vulnerability — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2022:1963 Upstream summary: This enhancement update adds the log4j:2 module to AlmaLinux (BZ#1937468) For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table […]

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Amazon Linux 2023 — kernel-livepatch-6.1.75-99.163 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.1.75-99.163 — 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: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2024-028 Related CVEs: CVE-2024-1086 CVE-2024-23849 Upstream summary: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. The nft_verdict_init() function allows positive […]

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

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

  • May 24, 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 Upstream summary: pkgsrc audit-packages flagged py{15,20,21,22,23,24,25,26,27,31}-xmlrpc<=0.9.8 for vulnerability class 'remote-code-execution'. Reference: http://www.python.org/security/PSF-2005-001/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Alpine Linux 3.19 — libheif — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — libheif — multiple vulnerabilities (3 CVEs) — 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 3.19 / fixed in 1.5.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libheif 1.5.0-r0 Related CVEs: CVE-2019-11471 CVE-2023-49462 CVE-2023-49463 Upstream summary: Alpine community repository for vv3.19 ships libheif 1.5.0-r0 which addresses CVE-2019-11471. Table of contents Symptom & […]

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Windows Server 2019 — KB5062597 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5062597 — 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 KB5062597 • MSRC update-guide entry Related CVEs: CVE-2025-47980 CVE-2025-47981 CVE-2025-55230 CVE-2025-49757 CVE-2025-55231 CVE-2025-47971 CVE-2025-47976 CVE-2025-47984  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Exposure of sensitive information to […]

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openSUSE Tumbleweed — cobbler — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cobbler — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0370-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-47533 CVE-2018-1000225 CVE-2018-10931 CVE-2022-0860 CVE-2021-45082 CVE-2018-1000226 CVE-2017-1000469 Upstream summary: Cobbler, a Linux installation server that allows for rapid setup of network installation environments, has an […]

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

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

  • May 24, 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 ALAS2023-2024-638 Related CVEs: CVE-2024-27322 Upstream summary: Deserialization of untrusted data can occur in the R statistical programming language, on any version starting at 1.4.0 up to and not including 4.4.0, […]

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