Logging Monitoring

Common Problems 113511

Windows Server 2012 R2 — SNMP service stops responding to queries — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 23 September 2022 Affected versions: Windows Server 2012 R2 📖 ~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 & Hardening Related […]

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FreeBSD 13 — php4-mbstring — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php4-mbstring — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-mbstring — php mbstring buffer overflow vulnerability Related CVEs: CVE-2008-5557 Upstream summary: SecurityFocus reports: PHP is prone to a buffer-overflow vulnerability because it fails to perform boundary checks before copying […]

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Debian 11 — deluge — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — deluge — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7178 CVE-2017-9031 CVE-2021-3427 Upstream summary: CSRF was discovered in the web UI in Deluge before 1.3.14. The exploitation methodology involves (1) hosting a crafted plugin that executes an […]

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Debian 11 — pspp — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pspp — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-10791 CVE-2017-10792 CVE-2017-12958 CVE-2017-12959 CVE-2017-12960 CVE-2017-12961 CVE-2018-20230 CVE-2019-9211  +10 more Upstream summary: There is an Integer overflow in the hash_int function of the libpspp library in GNU PSPP […]

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Debian 11 — sniffit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sniffit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 September 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-5439 Upstream summary: Multiple Stack-based Buffer Overflow vulnerabilities exists in Sniffit prior to 0.3.7 via a crafted configuration file that will bypass Non-eXecutable bit NX, stack smashing protector […]

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Ubuntu 18.04 — php-dompdf — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — php-dompdf — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 September 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6277-1 Related CVEs: CVE-2014-5011 CVE-2014-5012 CVE-2014-5013 CVE-2021-3838 CVE-2022-2400 Upstream summary: It was discovered that Dompdf was not properly validating untrusted input when processing HTML content under certain circumstances. An attacker […]

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Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2022-9690)

🟠 High   ⏱ 15–60 min  Last verified: 23 September 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9690 Related CVEs: CVE-2022-2588 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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How to Set Up Kea DHCP Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Kea DHCP Server on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up set up kea dhcp server on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully […]

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AlmaLinux 9 — qatzip — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — qatzip — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:8256 Related CVEs: CVE-2022-36369 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & […]

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