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Windows Server 2016 — KB5027538 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5027538 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5027538 • MSRC update-guide entry Related CVEs: CVE-2023-24897 CVE-2023-24895 CVE-2023-29326 CVE-2023-29331 CVE-2023-32030 CVE-2023-24936 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server […]

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openSUSE Leap 15.6 — ctdb — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — ctdb — multiple vulnerabilities (2 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 Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:03603-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-10230 CVE-2025-9640 Upstream summary: A flaw was found in Samba, in the front-end WINS hook handling: NetBIOS names from registration packets are passed to […]

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Alpine Linux 3.18 — opendmarc — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — opendmarc — 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 3.18 / fixed in 1.4.1.1-r3 📖 ~4 min read  •  Source: Alpine secdb entry — opendmarc 1.4.1.1-r3 Related CVEs: CVE-2021-34555 Upstream summary: Alpine community repository for vv3.18 ships opendmarc 1.4.1.1-r3 which addresses CVE-2021-34555. Table of contents Symptom & Impact Environment […]

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AlmaLinux 8 — python-backports — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-backports — 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 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-24329 CVE-2022-40897 CVE-2022-48560 CVE-2022-48565 CVE-2023-43804 CVE-2024-22195 CVE-2023-32681  +12 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, […]

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Amazon Linux 2 — evolution-data-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — evolution-data-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2026-3179 Related CVEs: CVE-2026-2604 CVE-2019-3890 Upstream summary: The Evolution backend server exposes the D-Bus service org.gnome.evolution.dataserver.AddressBook, that can be used in order to manage contacts. A Flatpak application with access […]

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Gentoo Linux — dev-python/twisted — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/twisted — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-24 Related CVEs: CVE-2020-10108 CVE-2020-10109 CVE-2022-21712 CVE-2022-21716 CVE-2022-39348 Upstream summary: Multiple vulnerabilities have been discovered in Twisted. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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Rocky Linux 9 — tomcat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — tomcat — 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: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2025:23049 Related CVEs: CVE-2025-31651 CVE-2025-55752 Upstream summary: Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages (JSP) technologies. Security Fix(es): * tomcat: Apache Tomcat: Bypass of […]

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Alpine Linux 3.18 — openfire — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — openfire — 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 3.18 / fixed in 4.7.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openfire 4.7.5-r0 Related CVEs: CVE-2023-32315 Upstream summary: Alpine community repository for vv3.18 ships openfire 4.7.5-r0 which addresses CVE-2023-32315. Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — ircd-hybrid — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ircd-hybrid — 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 Related CVEs: CVE-2009-4016 Upstream summary: pkgsrc audit-packages flagged ircd-hybrid<7.2.3nb3 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Windows Server 2016 — KB5027539 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5027539 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5027539 • MSRC update-guide entry Related CVEs: CVE-2023-24897 CVE-2023-24895 CVE-2023-29326 CVE-2023-29331 CVE-2023-32030 CVE-2023-24936 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server […]

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