IT, Cloud & DevOps Blog

Ubuntu 18.04 — cflow — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — cflow — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5375-1 Related CVEs: CVE-2019-16165 Upstream summary: It was discovered that GNU cflow was incorrectly handling memory cleanup operations at the end of a compilation module. An attacker could possibly use […]

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How to Set Up a PKI Infrastructure with AD CS on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up a PKI Infrastructure with AD CS on Windows Server 2019

Introduction to Active Directory Certificate Services A Public Key Infrastructure (PKI) built on Active Directory Certificate Services (AD CS) on Windows Server 2019 provides the foundation for internal certificate management: TLS/SSL certificates for web servers and services, smart card authentication, encrypted email (S/MIME), code signing, and encrypted file systems (EFS). A proper enterprise PKI uses […]

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openSUSE Tumbleweed — usbguard — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — usbguard — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-25058 Upstream summary: An issue was discovered in USBGuard before 1.1.0. On systems with the usbguard-dbus daemon running, an unprivileged user could make USBGuard allow […]

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SLES 15 — libmarkdown2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libmarkdown2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 September 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:0019-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-11468 CVE-2018-12495 Upstream summary: The __mkd_trim_line function in mkdio.c in libmarkdown.a in DISCOUNT 2.2.3a allows remote attackers to cause a denial of service (heap-based buffer […]

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Oracle Linux 8 — zsh — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — zsh — vulnerability — patch and remediation guide (ELSA-2020-0903)

🟠 High   ⏱ 15–60 min  Last verified: 15 September 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0903 Related CVEs: CVE-2019-20044 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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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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