Fix Prevention

FreeBSD 12 — caml-light — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — caml-light — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: caml-light — insecure use of temporary files Related CVEs: CVE-2011-4119 Upstream summary: caml-light uses mktemp() insecurely, and also does unsafe things in /tmp during make install. Table of contents Symptom […]

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Ubuntu 14.04 — python-gnupg — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — python-gnupg — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 September 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4839-1 Related CVEs: CVE-2018-12020 CVE-2019-6690 Upstream summary: Marcus Brinkmann discovered that python-gnupg improperly handled certain command line parameters. A remote attacker could use this to spoof the output of python-gnupg […]

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How to Configure Windows Server 2019 RDMA Networking — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 RDMA Networking

How to Configure Windows Server 2019 RDMA Networking Remote Direct Memory Access (RDMA) networking allows data to be transferred directly between application memory on different servers, bypassing the CPU and operating system kernel for data movement. This dramatically reduces CPU utilization, latency, and memory bandwidth consumption for high-throughput workloads. Windows Server 2019 supports RDMA through […]

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Arch Linux — lib32-wavpack — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-wavpack — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201802-13 Related CVEs: CVE-2018-7254 CVE-2018-7253 CVE-2018-6767 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 4.80.0-1. Fixed in: 5.1.0-2. Group: AVG-634. Table of contents Symptom & Impact Environment & Reproduction […]

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SLES 12 — librsvg — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — librsvg — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 September 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:1288-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1000041 CVE-2019-20446 CVE-2011-3146 CVE-2013-1881 CVE-2017-11464 Upstream summary: GNOME librsvg version before commit c6ddf2ed4d768fd88adbea2b63f575cd523022ea contains a Improper input validation vulnerability in rsvg-io.c that can result in […]

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Common Problems 119089

Ubuntu 14.04 LTS UFW Rules Unexpectedly Blocking Outbound Traffic

🟡 Medium   ⏱ 5–30 min  Last verified: 8 September 2019 📖 ~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 Errors & Cross-Refs References & Further […]

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Common Problems 119031

Ubuntu 14.04 LTS Apache returns 503 Service Unavailable under peak load

🟠 High   ⏱ 5–30 min  Last verified: 8 September 2019 Affected versions: 14.04 📖 ~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 Errors & Cross-Refs […]

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FreeBSD 12 — libproxy-kde — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — libproxy-kde — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

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How to Install Packer on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Install Packer on SLES 12

Introduction This tutorial covers How to Install Packer on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh && […]

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Common Problems 118492

Ubuntu 16.04 Cloud-Init Rewrites Network Settings Unexpectedly

🟡 Medium   ⏱ 5–30 min  Last verified: 8 September 2019 📖 ~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 Errors & Cross-Refs References & Further […]

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