2021

Arch Linux โ€” thefuck โ€” vulnerability โ€” patch and remediation guide โ€” diagnosis and fix on Arch Linux

Arch Linux โ€” thefuck โ€” vulnerability โ€” patch and remediation guide

๐ŸŸก Medium   โฑ 10โ€“30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) ๐Ÿ“– ~4 min read  โ€ข  Source: Arch ASA ASA-202106-39 Related CVEs: CVE-2021-34363 Upstream summary: Type: arbitrary file overwrite. Status: Fixed. Affected: 3.30-3. Fixed in: 3.31-1. Group: AVG-2062. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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IBM AIX 7.1 โ€” CVE-2021-20552 โ€” vulnerability โ€” patch and remediation guide โ€” diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 โ€” CVE-2021-20552 โ€” vulnerability โ€” patch and remediation guide

๐ŸŸก Medium   โฑ 15โ€“45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.1 ๐Ÿ“– ~4 min read  โ€ข  Source: NVD CVE-2021-20552, IBM Support Bulletin CVE: CVE-2021-20552 NVD summary: IBM Sterling File Gateway 6.0.0.0 through 6.1.1.0 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned […]

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FreeBSD 13 โ€” rubygem-jquery-rails โ€” multiple vulnerabilities (5 CVEs) โ€” patch and remediation guide โ€” diagnosis and fix on FreeBSD 13

FreeBSD 13 โ€” rubygem-jquery-rails โ€” multiple vulnerabilities (5 CVEs) โ€” patch and remediation guide

๐ŸŸก Medium   โฑ 10โ€“30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 ๐Ÿ“– ~4 min read  โ€ข  Source: FreeBSD VuXML VuXML topic: rubygem-rails — multiple vulnerabilities Related CVEs: CVE-2015-1840 CVE-2015-3224 CVE-2015-3225 CVE-2015-3226 CVE-2015-3227 Upstream summary: Ruby on Rails blog: Rails 3.2.22, 4.1.11 and 4.2.2 have been released, along with web console and […]

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Oracle Linux 8 โ€” container-tools:ol8 security, bug fix, and โ€” enhancement update โ€” new behaviour and fixes โ€” diagnosis and fix on Oracle Linux 8

Oracle Linux 8 โ€” container-tools:ol8 security, bug fix, and โ€” enhancement update โ€” new behaviour and fixes (ELSA-2020-1650)

๐ŸŸก Medium   โฑ 10โ€“30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 ๐Ÿ“– ~4 min read  โ€ข  Source: ELSA advisory ELSA-2020-1650 Related CVEs: CVE-2020-1726 CVE-2019-19921 CVE-2020-1702 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 Secure Nginx with Let's Encrypt on CentOS Stream 9 โ€” step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying secure nginx with let’s encrypt on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Secure Nginx with Let’s Encrypt on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the […]

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FreeBSD 13 โ€” giflib โ€” vulnerability โ€” patch and remediation guide โ€” diagnosis and fix on FreeBSD 13

FreeBSD 13 โ€” giflib โ€” vulnerability โ€” patch and remediation guide

๐ŸŸข Low   โฑ 5โ€“15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 ๐Ÿ“– ~4 min read  โ€ข  Source: FreeBSD VuXML VuXML topic: giflib — heap overflow Related CVEs: CVE-2015-7555 Upstream summary: Hans Jerry Illikainen reports: A heap overflow may occur in the giffix utility included in giflib-5.1.1 when processing records of the […]

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FreeBSD 13 โ€” cvs+ipv โ€” multiple vulnerabilities (8 CVEs) โ€” patch and remediation guide โ€” diagnosis and fix on FreeBSD 13

FreeBSD 13 โ€” cvs+ipv โ€” multiple vulnerabilities (8 CVEs) โ€” patch and remediation guide

๐ŸŸก Medium   โฑ 10โ€“30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 ๐Ÿ“– ~4 min read  โ€ข  Source: FreeBSD VuXML VuXML topic: cvsbug — race condition Related CVEs: CAN-2005-2693 CVE-2004-0180 CVE-2004-0405 CVE-2004-0414 CVE-2004-0416 CVE-2004-0417 CVE-2004-0418 CVE-2004-0778 Upstream summary: Problem description A temporary file is created, used, deleted, and then re-created with the […]

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FreeBSD 13 โ€” zabbix3-server โ€” multiple vulnerabilities (2 CVEs) โ€” patch and remediation guide โ€” diagnosis and fix on FreeBSD 13

FreeBSD 13 โ€” zabbix3-server โ€” multiple vulnerabilities (2 CVEs) โ€” patch and remediation guide

๐ŸŸข Low   โฑ 5โ€“15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 ๐Ÿ“– ~4 min read  โ€ข  Source: FreeBSD VuXML VuXML topic: Zabbix — Remote code execution Related CVEs: CVE-2017-2824 CVE-2020-11800 Upstream summary: Zabbix reports: Fixed security vulnerability cve-2020-11800 (remote code execution). (ZBX-17600) Table of contents Symptom & Impact Environment & Reproduction […]

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Common Problems 112972

Windows Server 2016 โ€” DHCP NACK storms after VLAN resegmentation create widespread endpoint disconnects โ€” Fix & Prevention

๐ŸŸก Medium   โฑ 5โ€“30 min  Last verified: 19 May 2026 Affected versions: Windows Server 2016 ๐Ÿ“– ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution โ€” Primary Fix Solution โ€” Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Debian 11 โ€” neon27 โ€” multiple vulnerabilities (2 CVEs) โ€” patch and remediation guide โ€” diagnosis and fix on Debian 11

Debian 11 โ€” neon27 โ€” multiple vulnerabilities (2 CVEs) โ€” patch and remediation guide

๐ŸŸข Low   โฑ 5โ€“15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) ๐Ÿ“– ~4 min read  โ€ข  Source: Debian Security Tracker Related CVEs: CVE-2008-3746 CVE-2009-2474 Upstream summary: neon 0.28.0 through 0.28.2 allows remote servers to cause a denial of service (NULL pointer dereference and crash) via vectors related to Digest authentication, […]

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