Security Hardening

How to Configure SAP HANA on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure SAP HANA on IBM 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 configure sap hana on ibm aix 7.2 on IBM […]

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FreeBSD 13 — silc-client — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — silc-client — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: silc-client — Format string vulnerability Related CVEs: CVE-2009-3051 Upstream summary: SILC changelog reports: An unspecified format string vulnerability exists in silc-client. Table of contents Symptom & Impact Environment & Reproduction […]

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FreeBSD 12 — py38-twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py38-twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 July 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-twisted — cookie and authorization headers are leaked when following cross-origin redirects Related CVEs: CVE-2019-12387 CVE-2019-9512 CVE-2019-9514 CVE-2019-9515 CVE-2020-10108 CVE-2020-10109 Upstream summary: Twisted developers report: Cookie and Authorization headers are […]

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AlmaLinux 8 — abattis-cantarell-fonts — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — abattis-cantarell-fonts — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1894 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 & Reproduction Root Cause […]

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FreeBSD 13 — py27-twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py27-twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-twisted — multiple vulnerabilities Related CVEs: CVE-2019-12387 CVE-2019-9512 CVE-2019-9514 CVE-2019-9515 CVE-2020-10108 CVE-2020-10109 Upstream summary: Twisted developers reports: All HTTP clients in twisted.web.client now raise a ValueError when called with a […]

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FreeBSD 13 — rpm — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rpm — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 July 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rpm4 — Multiple Vulnerabilities Related CVEs: CVE-2021-3521 CVE-2021-35938 CVE-2021-35939 Upstream summary: rpm project reports: Fix intermediate symlinks not verified (CVE-2021-35939). Fix subkey binding signatures not checked on PGP public keys […]

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AlmaLinux 8 — vdo — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — vdo — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2028 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 & Reproduction Root Cause […]

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2021-0990)

🟠 High   ⏱ 15–60 min  Last verified: 2 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-0990 Related CVEs: CVE-2021-23987 CVE-2021-23984 CVE-2021-23982 CVE-2021-23981 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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Oracle Linux 8 — container-tools:3.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — container-tools:3.0 — vulnerability — patch and remediation guide (ELSA-2021-2370)

🟠 High   ⏱ 15–60 min  Last verified: 2 July 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2370 Related CVEs: CVE-2021-30465 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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