Security Hardening

How to Set Up IBM Cloud PowerVS Instance with AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Set Up IBM Cloud PowerVS Instance with AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up ibm cloud powervs instance with aix 7.2 […]

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Amazon Linux 2 — libidn2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — libidn2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1373 Related CVEs: CVE-2019-12290 CVE-2019-18224 Upstream summary: heap-based buffer overflow in idn2_to_ascii_4i in lib/lookup.c idn2_to_ascii_4i in lib/lookup.c in GNU libidn2 before 2.1.1 has a heap-based buffer overflow via a long […]

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FreeBSD 12 — gstreamer1-libav — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gstreamer1-libav — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ffmpeg — multiple vulnerabilities Related CVEs: CVE-2015-3395 CVE-2015-3417 CVE-2015-6818 CVE-2015-6819 CVE-2015-6820 CVE-2015-6821 CVE-2015-6822 CVE-2015-6823  +3 more Upstream summary: NVD reports: The decode_ihdr_chunk function in libavcodec/pngdec.c in FFmpeg before 2.7.2 does […]

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FreeBSD 12 — torrentflux — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — torrentflux — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: torrentflux — User-Agent XSS Vulnerability Related CVEs: CVE-2006-5227 Upstream summary: Steven Roddis reports that User-Agent string is not properly escaped when handled by torrentflux. This allows for arbitrary code insertion. […]

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FreeBSD 12 — mathopd — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mathopd — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mathopd — directory traversal vulnerability Upstream summary: Michiel Boland reports: The software has a vulnerability that could lead to directory traversal if the '*' construct for mass virtual hosting is […]

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FreeBSD 12 — shibboleth-sp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — shibboleth-sp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Shibboleth Service Provider — SQL injection vulnerability in ODBC plugin Related CVEs: CVE-2015-2684 Upstream summary: Internet2 reports: The Shibboleth Service Provider includes a storage API usable for a number of […]

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Debian 10 — h2o — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — h2o — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 September 2019 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9512 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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SLES 15 — python3-websockets — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python3-websockets — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2854-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-1000518 Upstream summary: aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Servers and clients, unless configured […]

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Oracle Linux 8 — libjpeg-turbo — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libjpeg-turbo — vulnerability — patch and remediation guide (ELSA-2019-3705)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3705 Related CVEs: CVE-2018-14498 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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