Security Hardening

Windows Server 2025 — KB5048685 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5048685 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5048685 • MSRC update-guide entry Related CVEs: CVE-2024-49105 CVE-2024-49117 CVE-2024-49122 CVE-2024-49123 CVE-2024-49124 CVE-2024-49126 CVE-2024-49132 CVE-2024-49112  +12 more Affected components: Windows Server 2025 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Alpine Linux edge — python3-tkinter — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — python3-tkinter — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.6.8-r1 📖 ~4 min read  •  Source: Alpine secdb entry — python3-tkinter 3.6.8-r1 Related CVEs: CVE-2019-5010 CVE-2024-12718 CVE-2025-4138 CVE-2025-4330 CVE-2025-4517 Upstream summary: Alpine main repository for vedge ships python3-tkinter 3.6.8-r1 which addresses CVE-2019-5010. Table of contents […]

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Debian 11 — libcatalyst-authentication-credential-http-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcatalyst-authentication-credential-http-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 April 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-40920 Upstream summary: Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl generate nonces using the Perl Data::UUID library. * Data::UUID does not use a strong cryptographic source for generating […]

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Windows Server 2022 — KB5044288 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5044288 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5044288 • MSRC update-guide entry Related CVEs: CVE-2024-43582 CVE-2024-38261 CVE-2024-43506 CVE-2024-43508 CVE-2024-43515 CVE-2024-43518 CVE-2024-43519 CVE-2024-43525  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Table of […]

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Windows Server 2022 — KB5053598 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5053598 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5053598 • MSRC update-guide entry Related CVEs: CVE-2025-24035 CVE-2025-24045 CVE-2025-24064 CVE-2025-24084 CVE-2025-26645 CVE-2024-9157 CVE-2025-24044 CVE-2025-24987  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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Ubuntu 24.04 — linux-hwe-6.11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — linux-hwe-6.11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 April 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7610-1 Related CVEs: CVE-2025-37798 CVE-2025-37890 CVE-2025-37932 CVE-2025-37997 CVE-2025-38000 CVE-2025-38001 CVE-2023-53034 CVE-2024-53222  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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Windows Server 2022 — KB5066874 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5066874 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5066874 • MSRC update-guide entry Related CVEs: CVE-2016-9535 CVE-2025-24990 CVE-2025-24052 CVE-2025-55335 CVE-2025-55700 CVE-2025-55701 CVE-2025-58717 CVE-2025-58735  +12 more Affected components: Windows Server 2022 Microsoft summary: tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions […]

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Ubuntu 20.04 — fort-validator — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — fort-validator — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 April 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7813-1 Related CVEs: CVE-2024-45237 CVE-2024-45234 CVE-2024-48943 CVE-2024-45236 CVE-2024-45238 CVE-2024-45239 CVE-2024-45235 Upstream summary: Niklas Vogel and Haya Schulmann discovered that FORT Validator did not perform proper input validation when parsing certain […]

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Alpine Linux 3.20 — crun — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — crun — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.4.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — crun 1.4.4-r0 Related CVEs: CVE-2022-27650 Upstream summary: Alpine community repository for vv3.20 ships crun 1.4.4-r0 which addresses CVE-2022-27650. Table of contents Symptom & Impact Environment […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1675-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-33600 CVE-2024-33599 CVE-2024-2961 CVE-2023-6246 CVE-2020-1751 CVE-2023-4911 CVE-2023-4527 CVE-2023-25139  +12 more Upstream summary: nscd: Null pointer crashes after notfound response If the Name Service Cache Daemon's […]

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