Logging Monitoring

NetBSD 9.4 — libpcap — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libpcap — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • June 24, 2025
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2011-1935 CVE-2019-15161 CVE-2019-15162 CVE-2019-15164 CVE-2019-15165 CVE-2025-11961 CVE-2019-15163 Upstream summary: pkgsrc audit-packages flagged libpcap<1.2.1 for vulnerability class 'validation-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2011-1935 Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 12 — tcpdf — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tcpdf — multiple vulnerabilities (11 CVEs) — patch and remediation guide

  • June 24, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 June 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-6100 CVE-2018-17057 CVE-2024-22640 CVE-2024-22641 CVE-2024-32489 CVE-2024-51058 CVE-2024-56519 CVE-2024-56520  +3 more Upstream summary: tcpdf before 6.2.0 uploads files from the server generating PDF-files to an external FTP. Table of […]

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Alpine Linux 3.20 — pure-ftpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — pure-ftpd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 24, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.0.49-r1 📖 ~4 min read  •  Source: Alpine secdb entry — pure-ftpd 1.0.49-r1 Related CVEs: CVE-2020-9274 CVE-2020-9365 Upstream summary: Alpine community repository for vv3.20 ships pure-ftpd 1.0.49-r1 which addresses CVE-2020-9274. Table of contents Symptom & Impact […]

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Rocky Linux 8 — rubygem-mysql2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — rubygem-mysql2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • June 24, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:7025 Related CVEs: CVE-2021-33621 CVE-2022-28739 CVE-2023-28755 CVE-2023-28756 CVE-2025-24294 CVE-2025-58767 CVE-2025-61594 Upstream summary: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform […]

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Common Problems 114105

RHEL 10 – auditd backlog overflow drops critical security events

  • June 24, 2025
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 24 June 2025 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & […]

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Windows Server 2019 — KB5036896 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5036896 — 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 KB5036896 • MSRC update-guide entry Related CVEs: CVE-2024-20693 CVE-2024-20669 CVE-2024-20665 CVE-2024-20678 CVE-2024-26250 CVE-2024-26252 CVE-2024-26253 CVE-2024-26254  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Ubuntu 24.04 — linux-gcp-6.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — linux-gcp-6.14 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • June 24, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7879-4 Related CVEs: CVE-2024-36331 CVE-2025-38335 CVE-2025-38349 CVE-2025-38351 CVE-2025-38437 CVE-2025-38438 CVE-2025-38439 CVE-2025-38440  +12 more Upstream summary: It was discovered that improper initialization of CPU cache memory could allow a local attacker […]

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Windows Server 2019 — KB5044096 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5044096 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5044096 • MSRC update-guide entry Related CVEs: CVE-2024-43483 CVE-2024-43484 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Windows Server 2016 — KB5041020 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5041020 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5041020 • MSRC update-guide entry Related CVEs: CVE-2024-38081 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

Oracle Linux 9 — mod_security — vulnerability — patch and remediation guide (ELSA-2025-12838)

  • June 24, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-12838 Related CVEs: CVE-2025-48866 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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