September 2021 - Page 22 of 66

FreeBSD 13 — halibut — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — halibut — multiple vulnerabilities (3 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: halibut — Segmentation fault, denial of service or possibly other unspecified impact via a crafted text document Related CVEs: CVE-2021-42612 CVE-2021-42613 CVE-2021-42614 Upstream summary: [email protected] reports: CVE-2021-42612: A use after […]

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How to Set Up DNS Policies on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up DNS Policies on Windows Server 2019

Introduction to DNS Policies on Windows Server 2019 DNS Policies, introduced in Windows Server 2016 and fully supported in Windows Server 2019, allow the DNS server to make intelligent decisions about how to respond to queries based on criteria such as the client’s IP address or subnet, the time of day, the query type, or […]

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Debian 11 — manila — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — manila — 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-2020-9543 Upstream summary: OpenStack Manila <7.4.1, >=8.0.0 <8.1.1, and >=9.0.0 <9.1.1 allows attackers to view, update, delete, or share resources that do not belong to them, because of […]

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Debian 11 — bird2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — bird2 — 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-2019-16159 Upstream summary: BIRD Internet Routing Daemon 1.6.x through 1.6.7 and 2.x through 2.0.5 has a stack-based buffer overflow. The BGP daemon's support for RFC 8203 administrative shutdown […]

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Debian 11 — scummvm — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — scummvm — 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-2017-17528 Upstream summary: backends/platform/sdl/posix/posix.cpp in ScummVM 1.9.0 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct […]

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How To Set Up Time Synchronization on Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Time Synchronization on Ubuntu 20.04

Accurate timekeeping is integral to modern software deployments. Without it, you may encounter data corruption, errors, and other issues that are difficult to debug. In this article, you will practice some general time-related commands, verify that timesyncd is active, and install an alternate network time service.

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FreeBSD 13 — libde — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libde — multiple vulnerabilities (20 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: libde256 — multiple vulnerabilities Related CVEs: CVE-2020-21594 CVE-2020-21595 CVE-2020-21596 CVE-2020-21597 CVE-2020-21598 CVE-2020-21599 CVE-2020-21600 CVE-2020-21601  +12 more Upstream summary: Libde265 developer reports: This release fixes the known CVEs below. Many of […]

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

How to Set Up ZFS on RHEL 9

ZFS (Zettabyte File System) delivers enterprise-grade data integrity features including checksumming, copy-on-write snapshots, built-in RAID, and efficient replication — without requiring a separate volume manager. Although ZFS is not included in RHEL 9’s default kernel, the OpenZFS project provides DKMS-based packages that work reliably on RHEL 9. This tutorial covers installing OpenZFS, creating pools and […]

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