June 2021 - Page 11 of 66

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

FreeBSD 13 — fr-openoffice — 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: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

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How to Use Snapshots with JFS2 on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use Snapshots with JFS2 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 use snapshots with jfs2 on ibm aix 7.1 on […]

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How to Configure Internal DNS with SDN on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure Internal DNS with SDN on Windows Server 2016

How to Set Up Windows Server 2016 Internal DNS Service The Internal DNS Service in Windows Server 2016 SDN provides name resolution capabilities for tenant virtual machines within their isolated virtual networks. In an SDN environment, tenant VMs cannot use the physical DNS servers directly without policy allowing that traffic, and they may have conflicting […]

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

FreeBSD 13 — putty — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: putty — multiple security vulnerabilities Related CVEs: CVE-2005-0467 CVE-2011-4607 CVE-2013-4206 CVE-2013-4207 CVE-2013-4208 CVE-2013-4852 CVE-2015-2157 CVE-2015-5309  +5 more Upstream summary: Simon Tatham reports: These features are new in PuTTY 0.84: Security […]

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Ubuntu 20.04 — alpine — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — alpine — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7360-1 Related CVEs: CVE-2020-14929 CVE-2021-38370 CVE-2021-46853 Upstream summary: It was discovered that Alpine did not use a secure connection under certain circumstances. A remote attacker could possibly use this issue […]

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What is Cloud Computing? — step-by-step DevOps tutorial on Progressive Robot

What is Cloud Computing?

Cloud computing is the on-demand delivery of computing resources as services, meaning that the resources are owned and managed by the cloud provider rather than the end user.

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Ubuntu 16.04 — netty-3.9 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — netty-3.9 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4600-1 Related CVEs: CVE-2019-16869 CVE-2019-20444 CVE-2019-20445 CVE-2020-7238 Upstream summary: It was discovered that Netty had HTTP request smuggling vulnerabilities. A remote attacker could used it to extract sensitive information. (CVE-2019-16869, […]

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Ubuntu 14.04 — libsdl1.2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libsdl1.2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5398-1 Related CVEs: CVE-2021-33657 CVE-2019-13616 CVE-2019-7572 CVE-2019-7573 CVE-2019-7574 CVE-2019-7575 CVE-2019-7576 CVE-2019-7577  +4 more Upstream summary: It was discovered that SDL (Simple DirectMedia Layer) incorrectly handled certain files. An attacker could […]

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How to Set Up WireGuard VPN on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Set Up WireGuard VPN on RHEL 9

WireGuard is a modern, high-performance VPN protocol built into the Linux kernel since version 5.6. It uses state-of-the-art cryptography (Curve25519, ChaCha20, Poly1305) and has a dramatically smaller codebase than older solutions like OpenVPN or IPsec, making it easier to audit and less prone to vulnerabilities. On RHEL 9, WireGuard support is available through the kernel […]

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