Security Hardening

How to Set Up Nagios Client on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up Nagios Client on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up nagios client on ibm aix 7.1 on […]

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openSUSE Tumbleweed — python36-requests — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-requests — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:1754-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-18074 Upstream summary: The Requests package before 2.20.0 for Python sends an HTTP Authorization header to an http URI upon receiving a same-hostname https-to-http redirect, […]

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FreeBSD 12 — linux-f10-gnutls — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-f10-gnutls — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gnutls — multiple certificate verification issues Related CVEs: CVE-2014-0092 CVE-2014-1959 Upstream summary: GnuTLS project reports: A vulnerability was discovered that affects the certificate verification functions of all gnutls versions. A […]

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FreeBSD 12 — de-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — de-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

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openSUSE Tumbleweed — libct4 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libct4 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0741-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-13508 Upstream summary: FreeTDS through 1.1.11 has a Buffer Overflow. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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FreeBSD 12 — f2c — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — f2c — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: f2c — insecure temporary files Related CVEs: CAN-2005-0017 Upstream summary: Javier Fernández-Sanguino Peña reports two temporary file vulnerability within f2c. The vulnerabilities are caused due to weak temporary file handling. […]

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SLES 15 — eog — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — eog — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 December 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:2532-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-7447 CVE-2016-6855 Upstream summary: Integer overflow in the gdk_cairo_set_source_pixbuf function in gdk/gdkcairo.c in GTK+ before 3.9.8, as used in eom, gnome-photos, eog, gambas3, thunar, pinpoint, […]

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Oracle Linux 8 — libvpx — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libvpx — vulnerability — patch and remediation guide (ELSA-2020-4629)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 December 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4629 Related CVEs: CVE-2019-2126 CVE-2019-9371 CVE-2019-9232 CVE-2019-9433 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Common Problems 118102

Ubuntu 18.04 LTS user cannot log in after home directory permission drift

🟡 Medium   ⏱ 5–30 min  Last verified: 4 December 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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