September 2021 - Page 28 of 66

Python for loop — step-by-step Python tutorial on Progressive Robot

Python for loop

Let’s explore the Python for loop in detail and learn to iterate over different sequences including lists, tuples, and more.

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IBM AIX 7.2 — CVE-2021-39087 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-39087 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-39087, IBM Support Bulletin CVE: CVE-2021-39087 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1 could allow an authenticated user to obtain sensitive […]

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FreeBSD 13 — gtk-vnc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — gtk-vnc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gtk-vnc — bounds checking vulnerabilities Related CVEs: CVE-2017-5884 CVE-2017-5885 Upstream summary: Daniel P. Berrange reports: CVE-2017-5884 – fix bounds checking for RRE, hextile and copyrect encodings CVE-2017-5885 – fix color […]

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FreeBSD 13 — cvs — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — cvs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cvs — Remote code execution via ssh command injection Related CVEs: CVE-2017-12836 Upstream summary: Hank Leininger reports: Bugs in Git, Subversion, and Mercurial were just announced and patched which allowed […]

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FreeBSD 13 — faad — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — faad — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: faad2 — heap overflow vulnerability Related CVEs: CVE-2008-4201 Upstream summary: CVE reports: Heap-based buffer overflow in the decodeMP4file function (frontend/main.c) in FAAD2 2.6.1 and earlier allows remote attackers to cause […]

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

Debian 11 — feynmf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5940 Upstream summary: feynmf.pl in feynmf 1.08, as used in TeXLive 2007, allows local users to overwrite arbitrary files and execute arbitrary code via a symlink attack on […]

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How to Forward audit Logs to a Remote Server on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Forward audit Logs to a Remote Server on RHEL 10

Introduction How to Forward audit Logs to a Remote Server on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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Debian 11 — ruby-grape — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-grape — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-3769 Upstream summary: ruby-grape ruby gem suffers from a cross-site scripting (XSS) vulnerability via "format" parameter. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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