Security Hardening

Windows Server 2025 — KB5066876 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5066876 — 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 KB5066876 • 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-2025-58732  +12 more Affected components: Windows Server 2025 Microsoft summary: tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions […]

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Ubuntu 20.04 — mongodb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — mongodb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 17, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 May 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8160-1 Related CVEs: CVE-2025-14847 CVE-2019-20925 CVE-2019-2386 Upstream summary: It was discovered that MongoDB incorrectly handled length parameters in zlib-compressed network messages prior to authentication. An unauthenticated remote attacker could possibly […]

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Windows Server 2022 — KB5036950 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5036950 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5036950 • MSRC update-guide entry Related CVEs: CVE-2024-20678 CVE-2024-26252 CVE-2024-26253 CVE-2024-26179 CVE-2024-26200 CVE-2024-26205 CVE-2024-26158 CVE-2024-26232  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Table of […]

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CentOS Stream 9 — bpftrace — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — bpftrace — vulnerability — patch and remediation guide

  • May 17, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 17 May 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:9188 Related CVEs: CVE-2024-2313 Upstream summary: BPFtrace is a high-level tracing language for Linux enhanced Berkeley Packet Filter (eBPF) available in recent Linux kernels (4.x). BPFtrace uses LLVM as a backend […]

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openSUSE Tumbleweed — libabsl_int128 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libabsl_int128 — vulnerability — patch and remediation guide

  • May 17, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0190-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-0838 Upstream summary: There exists a heap buffer overflow vulnerable in Abseil-cpp. The sized constructors, reserve(), and rehash() methods of absl::{flat,node}hash{set,map} did not impose an […]

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CentOS Stream 9 — libuv — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libuv — vulnerability — patch and remediation guide

  • May 17, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 May 2025 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:4756 Related CVEs: CVE-2024-24806 Upstream summary: libuv is a multi-platform support library with a focus on asynchronous I/O. Security Fix(es): * libuv: Improper Domain Lookup that potentially leads to SSRF attacks […]

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Alpine Linux edge — libsndfile — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libsndfile — multiple vulnerabilities (16 CVEs) — patch and remediation guide

  • May 17, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.2.2-r2 📖 ~4 min read  •  Source: Alpine secdb entry — libsndfile 1.2.2-r2 Related CVEs: CVE-2024-50612 CVE-2019-3832 CVE-2018-19758 CVE-2017-17456 CVE-2017-17457 CVE-2018-19661 CVE-2018-19662 CVE-2018-13139  +8 more Upstream summary: Alpine main repository for vedge ships libsndfile 1.2.2-r2 which […]

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Oracle Linux 9 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — kernel — vulnerability — patch and remediation guide (ELSA-2024-6997)

  • May 17, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 17 May 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-6997 Related CVEs: CVE-2024-38573 CVE-2024-26931 CVE-2024-40984 CVE-2024-26991 CVE-2024-26929 CVE-2024-26930 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2025-4229)

  • May 17, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 17 May 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-4229 Related CVEs: CVE-2025-2830 CVE-2025-3523 CVE-2025-3522 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Alpine Linux 3.20 — py3-tqdm — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-tqdm — vulnerability — patch and remediation guide

  • May 17, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 4.66.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-tqdm 4.66.4-r0 Related CVEs: CVE-2024-34062 Upstream summary: Alpine community repository for vv3.20 ships py3-tqdm 4.66.4-r0 which addresses CVE-2024-34062. Table of contents Symptom & Impact Environment […]

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