September 2021 - Page 33 of 66

Debian 11 — slirp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — slirp — multiple vulnerabilities (2 CVEs) — 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-2020-7039 CVE-2020-8608 Upstream summary: tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause […]

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How to Set Up a CI/CD Pipeline with Drone CI on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up a CI/CD Pipeline with Drone CI on FreeBSD 13

Introduction How to Set Up a CI/CD Pipeline with Drone CI on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service […]

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How To Install Git on Debian 9 — step-by-step Linux tutorial on Progressive Robot

How To Install Git on Debian 9

Software version control systems enable you to keep track of your software at the source level. With versioning tools, you can track changes, revert to previous stages, and branch to create alternate versions of files and directories. Git is one of the most popular version…

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Debian 11 — libxml-dt-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxml-dt-perl — 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-2014-5260 Upstream summary: The (1) mkxmltype and (2) mkdtskel scripts in XML-DT before 0.64 allow local users to overwrite arbitrary files via a symlink attack on a /tmp/_xml_##### […]

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Debian 11 — edk2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — edk2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-12178 CVE-2018-12179 CVE-2018-12180 CVE-2018-12181 CVE-2018-12183 CVE-2019-0160 CVE-2019-0161 CVE-2019-11098  +12 more Upstream summary: Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation […]

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Building a Discord Bot in Python [Canceled] — step-by-step Python tutorial on Progressive Robot

Building a Discord Bot in Python [Canceled]

Discord isn’t just a great chat and voice app, it also has a rich ecosystem for extending and building bots. Get an overview of the Discord Python library, see how Discord handles events, and learn how to build and deploy your first Discord bot!

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Oracle Linux 8 — ruby:2.5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ruby:2.5 — vulnerability — patch and remediation guide (ELSA-2022-5779)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5779 Related CVEs: CVE-2021-41819 CVE-2021-41817 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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How does Mixed Reality Expand on Augmented Reality

How does Mixed Reality Expand on Augmented Reality

Mixed reality represents a groundbreaking advancement in the realm of immersive technology, offering a seamless integration of virtual and physical worlds. As an evolution from augmented reality, mixed reality combines the best elements of both virtual and augmented environments to create a truly interactive and engaging experience.

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