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Windows Server 2019 — KB5073699 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5073699 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5073699 • MSRC update-guide entry Related CVEs: CVE-2026-0386 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20828 CVE-2026-20831 CVE-2026-20833 CVE-2026-20834  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Improper access control in Windows […]

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Debian 12 — minisat2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — minisat2 — vulnerability — patch and remediation guide

  • June 19, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-2644 Upstream summary: A weakness has been identified in niklasso minisat up to 2.2.0. This issue affects the function Solver::value in the library core/SolverTypes.h of the component DIMACS […]

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Debian 13 — plait — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — plait — vulnerability — patch and remediation guide

  • June 19, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4085 Upstream summary: plaiter in Plait before 1.6 allows local users to overwrite arbitrary files via a symlink attack on (1) cut.$$, (2) head.$$, (3) awk.$$, and (4) […]

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Debian 13 — owncloud-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — owncloud-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 19, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 19 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-4456 CVE-2015-7298 CVE-2021-44537 Upstream summary: ownCloud Desktop Client before 1.8.2 does not call QNetworkReply::ignoreSslErrors with the list of errors to be ignored, which allows man-in-the-middle attackers to bypass […]

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Ubuntu 24.04 — python-keystonemiddleware — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-keystonemiddleware — vulnerability — patch and remediation guide

  • June 19, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 19 June 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8008-1 Related CVEs: CVE-2026-22797 Upstream summary: Grzegorz Grasza discovered that the Keystone Middleware incorrectly sanitized authentication headers before processing OAuth 2.0 tokens. An attacker could possibly use this issue to […]

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Windows Server 2019 — KB5087064 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5087064 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5087064 • MSRC update-guide entry Related CVEs: CVE-2026-32177 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Microsoft summary: Heap-based buffer overflow in .NET allows an unauthorized attacker to […]

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Ubuntu 16.04 — openjdk-8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — openjdk-8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 19, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 19 June 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8000-1 Related CVEs: CVE-2026-21932 CVE-2026-21925 CVE-2026-21933 CVE-2026-21945 CVE-2025-53057 CVE-2025-53066 CVE-2025-30749 CVE-2025-30761  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 8 would establish RMI TCP endpoint […]

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Alpine Linux 3.20 — py3-urllib3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-urllib3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • June 19, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.26.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-urllib3 1.26.4-r0 Related CVEs: CVE-2021-28363 CVE-2026-21441 CVE-2023-45803 CVE-2023-43804 CVE-2020-26137 Upstream summary: Alpine main repository for vv3.20 ships py3-urllib3 1.26.4-r0 which addresses CVE-2021-28363. Table of contents […]

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Ubuntu 20.04 — libxml2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libxml2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 19, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 19 June 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7974-1 Related CVEs: CVE-2026-0992 CVE-2026-0990 CVE-2025-8732 CVE-2026-0989 CVE-2025-7425 CVE-2025-9714 CVE-2025-6021 CVE-2025-49794  +12 more Upstream summary: It was discovered that libxml2 incorrectly handled maliciously crafted SGML catalog files. An attacker could […]

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openSUSE Tumbleweed — ruby3.4-rubygem-rack — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby3.4-rubygem-rack — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • June 19, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:19512 (see also SUSE bugzilla) Related CVEs: CVE-2025-61919 CVE-2025-61770 CVE-2025-61771 CVE-2025-61772 CVE-2025-59830 CVE-2025-46727 CVE-2025-27610 CVE-2025-27111  +1 more Upstream summary: Rack is a modular Ruby web server interface. Prior to versions 2.2.20, 3.1.18, […]

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