Package Management

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

Debian 11 — unoconv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17400 Upstream summary: The unoconv package before 0.9 mishandles untrusted pathnames, leading to SSRF and local file inclusion. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — slim — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — slim — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1756 CVE-2010-2945 CVE-2013-4412 Upstream summary: SLiM Simple Login Manager 1.3.0 places the X authority magic cookie (mcookie) on the command line when invoking xauth from (1) app.cpp and […]

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openSUSE Tumbleweed — tmux — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — tmux — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:1834-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-27347 CVE-2022-47016 CVE-2018-19387 Upstream summary: In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by […]

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Debian 11 — busybox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — busybox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1058 CVE-2011-2716 CVE-2011-5325 CVE-2013-1813 CVE-2014-4607 CVE-2014-9645 CVE-2015-9261 CVE-2016-2147  +12 more Upstream summary: BusyBox 1.1.1 does not use a salt when generating passwords, which makes it easier for local […]

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How to Configure OpenVPN Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure OpenVPN Server on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up configure openvpn server on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and the […]

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Ubuntu 20.04 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libxstream-java — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 February 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5946-1 Related CVEs: CVE-2021-39139 CVE-2021-39140 CVE-2021-39141 CVE-2021-39144 CVE-2021-39145 CVE-2021-39146 CVE-2021-39147 CVE-2021-39148  +12 more Upstream summary: Lai Han discovered that XStream incorrectly handled certain inputs. If a user or an automated […]

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Ubuntu 20.04 — backport-iwlwifi-dkms — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — backport-iwlwifi-dkms — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 February 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5708-1 Related CVEs: CVE-2022-41674 CVE-2022-42719 CVE-2022-42720 CVE-2022-42721 CVE-2022-42722 https://launchpad.net/bugs/1994525 Upstream summary: Sönke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading […]

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CentOS Stream 9 — zlib — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — zlib — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 February 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2022:7314 Related CVEs: CVE-2022-37434 Upstream summary: The zlib packages provide a general-purpose lossless data compression library that is used by many different programs. Security Fix(es): * zlib: a heap-based buffer over-read […]

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openSUSE Tumbleweed — amazon-ssm-agent — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — amazon-ssm-agent — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1510-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-29527 Upstream summary: Amazon AWS amazon-ssm-agent before 3.1.1208.0 creates a world-writable sudoers file, which allows local attackers to inject Sudo rules and escalate privileges to […]

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How to Set Up Network File System (NFS) Server on Windows Server 2019 — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Set Up Network File System (NFS) Server on Windows Server 2019

Introduction to NFS Server on Windows Server 2019 Network File System (NFS) is a distributed file protocol that allows clients — primarily Linux and Unix systems — to mount and access shared directories over a network as if they were local drives. Windows Server 2019 includes both an NFS server (Server for NFS) and an […]

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