Security Hardening

openSUSE Tumbleweed — perl-File-Find-Rule — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — perl-File-Find-Rule — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:9517 (see also SUSE bugzilla) Related CVEs: CVE-2011-10007 Upstream summary: File::Find::Rule through 0.34 for Perl is vulnerable to Arbitrary Code Execution when `grep()` encounters a crafted filename. A file handle is opened […]

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Common Problems 118039

Ubuntu 18.04 LTS SSL Certificate Chain Incomplete in Nginx

🟡 Medium   ⏱ 5–30 min  Last verified: 14 September 2019 Affected versions: 18.04 LTS 📖 ~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 Errors & […]

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Common Problems 113563

Windows Server 2012 R2 — VPN sessions fail due to MTU mismatch and packet fragmentation — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 September 2019 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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openSUSE Tumbleweed — psi+ — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — psi+ — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-5593 Upstream summary: An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in […]

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How to Automate Backups with rsync on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Automate Backups with rsync on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up automate backups with rsync on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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Common Problems 113027

Windows Server 2016 — App-V streamed package fails to launch with publishing refresh error — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 14 September 2019 Affected versions: Windows Server 2016 📖 ~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 Errors […]

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How to Configure Virtual Memory with rmss on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Virtual Memory with rmss 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 virtual memory with rmss on ibm aix 7.2 […]

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FreeBSD 12 — qemu-sbruno — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — qemu-sbruno — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qemu — denial of service vulnerability Related CVEs: CVE-2015-1779 CVE-2015-3209 CVE-2015-3214 CVE-2015-3456 CVE-2015-5154 CVE-2015-5158 CVE-2015-5165 CVE-2015-5166  +12 more Upstream summary: Daniel P. Berrange reports: The VNC server websockets decoder will […]

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openSUSE Tumbleweed — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2018-11307 CVE-2018-14718 CVE-2018-14721 CVE-2018-19360 CVE-2018-19361 CVE-2019-14379 CVE-2019-14893 CVE-2019-16942  +12 more Upstream summary: An issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.5. Use of Jackson default typing along with […]

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How to Configure flrtvc for Vulnerability Assessment on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Configure flrtvc for Vulnerability Assessment on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure flrtvc for vulnerability assessment on ibm aix 7.1 […]

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