January 2022 - Page 27 of 72

FreeBSD 13 — py38-psutil — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-psutil — vulnerability — 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: py-psutil — double free vulnerability Related CVEs: CVE-2019-18874 Upstream summary: ret2libc reports: psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a […]

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FreeBSD 13 — proxychains-ng — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — proxychains-ng — vulnerability — 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: proxychains-ng — current path as the first directory for the library search path Related CVEs: CVE-2015-3887 Upstream summary: Mamoru TASAKA reports: proxychains4 sets LD_PRELOAD to dlopen libproxychains4.so and execvp() the […]

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How to Set Up a Next.js 15 Application on Ubuntu 26.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Jupyter Notebook on Ubuntu 26.04

Jupyter Notebook is an open-source web application for creating interactive computational documents that combine live code, equations, visualisations, and markdown text. It is widely used for data science, machine learning, and scientific computing. This guide installs Jupyter Notebook on Ubuntu 26.04 LTS. Tested and valid on: Ubuntu 26.04 LTS Prerequisites Ubuntu 26.04 LTS with Python […]

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How to Install Go on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Install Go on FreeBSD 13

Introduction How to Install Go on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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FreeBSD 13 — tk — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — tk — vulnerability — 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: tcl/tk — buffer overflow in ReadImage function Related CVEs: CVE-2007-5137 Upstream summary: A Buffer overflow in the ReadImage function in generic/tkImgGIF.c in Tcl/Tk, allows remote attackers to execute arbitrary code […]

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FreeBSD 13 — isc-dhcp3-client — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — isc-dhcp3-client — vulnerability — 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: isc-dhcpd — format string vulnerabilities Related CVEs: CVE-2004-1006 Upstream summary: The ISC DHCP programs are vulnerable to several format string vulnerabilities which may allow a remote attacker to execute arbitrary […]

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Debian 11 — ckeditor — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ckeditor — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-5191 CVE-2018-17960 CVE-2021-26271 CVE-2021-26272 CVE-2021-32808 CVE-2021-32809 CVE-2021-33829 CVE-2021-37695  +9 more Upstream summary: Cross-site scripting (XSS) vulnerability in the Preview plugin before 4.4.3 in CKEditor allows remote attackers to […]

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Debian 11 — wkhtmltopdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wkhtmltopdf — multiple vulnerabilities (2 CVEs) — 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-2020-21365 CVE-2022-35583 Upstream summary: Directory traversal vulnerability in wkhtmltopdf through 0.12.5 allows remote attackers to read local files and disclose sensitive information via a crafted html file running […]

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How to Configure VLAN Tagging on Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Configure VLAN Tagging on Windows Server 2016

How to Configure Windows Server 2016 VLAN Tagging Virtual Local Area Networks (VLANs) segment a single physical network into multiple logical networks, providing traffic isolation, improved security, and better bandwidth management. Windows Server 2016 supports VLAN tagging both on physical network adapters and on Hyper-V virtual switches, allowing servers and virtual machines to participate in […]

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How To Set Up Multiple SSL Certificates on One IP with Apache on Ubuntu 12.04 — step-by-step Linux tutorial on Progressive Robot

How To Set Up Multiple SSL Certificates on One IP with Apache on Ubuntu 12.04

Although hosting several sites on a single virtual private server is not a challenge with the use of virtual hosts, providing separate SSL certificates for each site traditionally required separate IP addresses. The process has recently been simplified through the use of Server Name Indication (SNI), which sends a site visitor the certificate that matches the requested server name.

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