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FreeBSD 13 — isc-dhcp44-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — isc-dhcp44-server — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcp — remotely exploitable vulnerability Related CVEs: CVE-2018-5732 CVE-2018-5733 CVE-2021-25217 Upstream summary: Michael McNally reports: Program code used by the ISC DHCP package to read and parse stored leases has […]

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How to Configure Static IP on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Static IP on Debian 11

Introduction Deploying configure static ip on debian 11 on a Debian 11 Bullseye machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]

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

Debian 11 — openrc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-21269 Upstream summary: checkpath in OpenRC through 0.42.1 might allow local users to take ownership of arbitrary files because a non-terminal path component can be a symlink. Table […]

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

Debian 11 — kinit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-3100 Upstream summary: kinit in KDE Frameworks before 5.23.0 uses weak permissions (644) for /tmp/xauth-xxx-_y, which allows local users to obtain X11 cookies of other users and consequently […]

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Alpine Linux edge — keepalived — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — keepalived — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.2.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — keepalived 2.2.7-r0 Related CVEs: CVE-2021-44225 CVE-2018-19044 CVE-2018-19045 CVE-2018-19046 Upstream summary: Alpine community repository for vedge ships keepalived 2.2.7-r0 which addresses CVE-2021-44225. Table of contents Symptom […]

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

Debian 11 — libgwenhywfar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-7542 Upstream summary: A vulnerability exists in libgwenhywfar through 4.12.0 due to the usage of outdated bundled CA certificates. Table of contents Symptom & Impact Environment & Reproduction […]

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Gentoo Linux — dev-python/twisted — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/twisted — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-24 Related CVEs: CVE-2020-10108 CVE-2020-10109 CVE-2022-21712 CVE-2022-21716 CVE-2022-39348 Upstream summary: Multiple vulnerabilities have been discovered in Twisted. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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Ubuntu 20.04 — ipython — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ipython — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 March 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5953-1 Related CVEs: CVE-2015-5607 CVE-2022-21699 Upstream summary: It was discovered that IPython incorrectly processed REST API POST requests. An attacker could possibly use this issue to launch a cross-site request […]

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How to Set Up Site-to-Site VPN with RRAS on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Set Up Site-to-Site VPN with RRAS on Windows Server 2012 R2

How to Set Up Site-to-Site VPN with RRAS on Windows Server 2012 R2 A site-to-site VPN connects two geographically separate networks over the internet as if they were directly connected. Windows Server 2012 R2 RRAS (Routing and Remote Access Service) can act as a VPN gateway for site-to-site connections, establishing persistent encrypted tunnels between a […]

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Ubuntu 18.04 — cifs-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — cifs-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 March 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5459-1 Related CVEs: CVE-2020-14342 CVE-2021-20208 CVE-2022-27239 CVE-2022-29869 Upstream summary: Aurélien Aptel discovered that cifs-utils invoked a shell when requesting a password. In certain environments, a local attacker could possibly use […]

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