Security Hardening

Windows Server 2019 — KB5034795 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5034795 — 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 KB5034795 • MSRC update-guide entry Related CVEs: CVE-2024-21357 CVE-2024-21340 CVE-2024-21349 CVE-2024-21350 CVE-2024-21352 CVE-2024-21354 CVE-2024-21358 CVE-2024-21360  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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

NetBSD 9.4 — suse_openssl — multiple vulnerabilities (20 CVEs) — 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-2009-1377 CVE-2009-1378 CVE-2009-1379 CVE-2010-2939 CVE-2010-3864 CVE-2010-4180 CVE-2014-0195 CVE-2009-0591  +12 more Upstream summary: pkgsrc audit-packages flagged suse{,32}_openssl<11.3 for vulnerability class 'remote-denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1377 Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.19 — sdl_image — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — sdl_image — 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 3.19 / fixed in 1.2.12-r5 📖 ~4 min read  •  Source: Alpine secdb entry — sdl_image 1.2.12-r5 Related CVEs: CVE-2019-13616 Upstream summary: Alpine community repository for vv3.19 ships sdl_image 1.2.12-r5 which addresses CVE-2019-13616. Table of contents Symptom & Impact Environment […]

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

openSUSE Tumbleweed — qemu — 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 security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-15118 CVE-2025-11234 CVE-2024-4467 CVE-2024-7409 CVE-2024-3446 CVE-2023-3180 CVE-2023-3354 CVE-2023-2861  +12 more Upstream summary: A stack-based buffer overflow vulnerability was found in NBD server implementation in qemu […]

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

AlmaLinux 8 — libevdev — 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 ALBA-2021:4219 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Amazon Linux 2023 — python-dns — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — python-dns — vulnerability — 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 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2024-739 Related CVEs: CVE-2023-29483 Upstream summary: eventlet before 0.35.2, as used in dnspython before 2.6.0, allows remote attackers to interfere with DNS name resolution by quickly sending an invalid packet […]

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openSUSE Tumbleweed — quagga — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — quagga — multiple vulnerabilities (19 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-2018:0473-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-5379 CVE-2021-44038 CVE-2018-5381 CVE-2006-2223 CVE-2007-1995 CVE-2013-2236 CVE-2016-1245 CVE-2016-2342  +11 more Upstream summary: The Quagga BGP daemon (bgpd) prior to version 1.2.3 can double-free memory when […]

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Windows Server 2019 — KB5034809 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5034809 — 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 KB5034809 • MSRC update-guide entry Related CVEs: CVE-2024-21357 CVE-2024-21340 CVE-2024-21349 CVE-2024-21350 CVE-2024-21352 CVE-2024-21354 CVE-2024-21358 CVE-2024-21360  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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NetBSD 9.4 — suse_qt4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — suse_qt4 — multiple vulnerabilities (6 CVEs) — 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-2012-5624 CVE-2012-4929 CVE-2013-0254 CVE-2011-3193 CVE-2011-3194 CVE-2013-4549 Upstream summary: pkgsrc audit-packages flagged suse{,32}_qt4<11.3nb2 for vulnerability class 'remote-system-access'. Reference: http://secunia.com/advisories/47645/ Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Alpine Linux 3.19 — seatd — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — seatd — 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 3.19 / fixed in 0.6.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — seatd 0.6.2-r0 Related CVEs: CVE-2021-41387 Upstream summary: Alpine community repository for vv3.19 ships seatd 0.6.2-r0 which addresses CVE-2021-41387. Table of contents Symptom & Impact Environment […]

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