Logging Monitoring

NetBSD 9.4 — php-concrete5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php-concrete5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 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-2021-40099 CVE-2021-40097 CVE-2022-21829 CVE-2012-5181 CVE-2015-2250 CVE-2017-6905 CVE-2017-6908 CVE-2017-7725  +12 more Upstream summary: pkgsrc audit-packages flagged php{56,73,74,80}-concrete5<8.5.6 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-40099 Table of contents Symptom & Impact Environment […]

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Ubuntu 16.04 — paramiko — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — paramiko — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 June 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5351-2 Related CVEs: CVE-2022-24302 CVE-2018-1000805 CVE-2018-7750 Upstream summary: USN-5351-1 fixed a vulnerability in Paramiko. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Jan Schejbal discovered […]

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NetBSD 9.4 — patch — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — patch — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 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-2010-4651 CVE-2015-1395 CVE-2015-1416 CVE-2018-6952 CVE-2018-1000156 CVE-2019-13636 CVE-2019-13638 CVE-2018-20969  +6 more Upstream summary: pkgsrc audit-packages flagged patch<2.7 for vulnerability class 'remote-system-access'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4651 Table of contents Symptom & Impact Environment […]

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

Oracle Linux 9 — haproxy — vulnerability — patch and remediation guide (ELSA-2023-1696)

🟡 Medium   ⏱ 10–30 min  Last verified: 7 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1696 Related CVEs: CVE-2023-25725 CVE-2023-0056 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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NetBSD 9.4 — libltdl — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libltdl — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged libltdl<2.2.6b for vulnerability class 'privilege-escalation'. Reference: http://secunia.com/advisories/37414/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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How to Tune Linux Kernel Parameters with sysctl on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Tune Linux Kernel Parameters with sysctl on RHEL 8

Linux kernel parameters control how your system allocates resources, handles network connections, and manages memory. On RHEL 8, the sysctl utility provides a clean interface for reading and writing these parameters at runtime, while drop-in configuration files under /etc/sysctl.d/ make changes persistent across reboots. Properly tuned kernel parameters can significantly improve throughput, reduce latency, and […]

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NetBSD 9.4 — inn — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — inn — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged inn<2.3.0 for vulnerability class 'remote-user-shell'. Reference: http://online.securityfocus.com/bid/2620 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Windows Server 2016 — KB5033422 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5033422 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5033422 • MSRC update-guide entry Related CVEs: CVE-2023-35641 CVE-2023-35630 CVE-2023-20588 CVE-2023-36012 CVE-2023-36004 CVE-2023-36005 CVE-2023-36006 CVE-2023-35639  +2 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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