October 2021 - Page 8 of 69

FreeBSD 13 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Client — Multiple vulerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches for Oracle MySQL. 9 of […]

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Oracle Linux 8 — yum security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — yum security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3583)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3583 Related CVEs: CVE-2018-20534 CVE-2019-3817 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 to Set Up ZFS Send and Receive on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up ZFS Send and Receive on FreeBSD 13

Introduction Deploying set up zfs send and receive on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within […]

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

FreeBSD 13 — liveMedia — 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: liveMedia — potential remote code execution Related CVEs: CVE-2007-6036 CVE-2018-4013 Upstream summary: Talos reports: An exploitable code execution vulnerability exists in the HTTP packet-parsing functionality of the LIVE555 RTSP server […]

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Common Problems 113458

Windows Server 2012 R2 — .NET Cumulative Update Fails with 0x80070643 on Patch Night — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 2026 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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

Debian 11 — up-imapproxy — 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-2004-1035 CVE-2005-2661 Upstream summary: Multiple integer signedness errors in (1) imapcommon.c, (2) main.c, (3) request.c, and (4) select.c for up-imapproxy IMAP proxy 1.2.2 allow remote attackers to cause […]

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The Docker Ecosystem: Networking and Communication — step-by-step Docker tutorial on Progressive Robot

The Docker Ecosystem: Networking and Communication

When constructing distributed systems to serve Docker containers, communication and networking become extremely important. In this guide, we will discuss the various networking strategies and tools used to mold the networks used by containers into their desired state.

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Debian 11 — net-acct — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — net-acct — 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-2004-0851 Upstream summary: The (1) write_list and (2) dump_curr_list functions in Net-Acct before 0.71 allows local users to overwrite arbitrary files via a symlink attack on temporary files. […]

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How to Monitor Active Directory on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Monitor Active Directory on Windows Server 2016

How to Set Up Windows Server 2016 Active Directory Monitoring Proactive monitoring of Active Directory on Windows Server 2016 ensures that authentication, replication, and policy application continue to function reliably. Unlike reactive troubleshooting, a monitoring framework surfaces problems before users report them, giving administrators time to remediate issues during business hours rather than during incidents. […]

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