Package Management

How to Configure Buildah on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Buildah on SLES 12

Introduction This tutorial covers How to Configure Buildah on SLES 12 on SLES 12. SLES 12 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh && […]

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FreeBSD 12 — ghostscript9-nox — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ghostscript9-nox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ghostscript — denial of service (crash) via crafted Postscript files Related CVEs: CVE-2015-3228 Upstream summary: MITRE reports: Integer overflow in the gs_heap_alloc_bytes function in base/gsmalloc.c in Ghostscript 9.15 and earlier […]

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FreeBSD 12 — p5-HTML-Scrubber — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — p5-HTML-Scrubber — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-HTML-Scrubber — XSS vulnerability Related CVEs: CVE-2015-5667 Upstream summary: MITRE reports: Cross-site scripting (XSS) vulnerability in the HTML-Scrubber module before 0.15 for Perl, when the comment feature is enabled, allows […]

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FreeBSD 12 — nagios-plugins — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — nagios-plugins — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nagios-plugins — Long Location Header Buffer Overflow Vulnerability Related CVEs: CVE-2007-5198 Upstream summary: A Secunia Advisory reports: The vulnerability is caused due to a boundary error within the redir() function […]

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How to Use zrepl for ZFS Replication on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Use zrepl for ZFS Replication on FreeBSD 12

Introduction This guide explains how to Use zrepl for ZFS Replication on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

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openSUSE Tumbleweed — kbd — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — kbd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2011:007 Related CVEs: CVE-2011-0460 Upstream summary: The init script in kbd, possibly 1.14.1 and earlier, allows local users to overwrite arbitrary files via a symlink attack on /dev/shm/defkeymap.map. Table of contents Symptom […]

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FreeBSD 12 — ruby_r — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ruby_r — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ruby — CGI DoS Related CVEs: CVE-2004-0983 Upstream summary: The Ruby CGI.rb module contains a bug which can cause the CGI module to go into an infinite loop, thereby causing […]

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FreeBSD 12 — linux-flock — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — linux-flock — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 December 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — multiple vulnerabilities Related CVEs: CVE-2007-4879 CVE-2007-5959 CVE-2008-0016 CVE-2008-0412 CVE-2008-0413 CVE-2008-0414 CVE-2008-0415 CVE-2008-0417  +12 more Upstream summary: The Mozilla Foundation reports: MFSA 2008-37 UTF-8 URL stack buffer overflow MFSA […]

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Amazon Linux 2 — python-crypto — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — python-crypto — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2ANSIBLE2-2024-011 Related CVEs: CVE-2013-7459 CVE-2018-6594 Upstream summary: Heap-based buffer overflow in the ALGnew function in block_templace.c in Python Cryptography Toolkit (aka pycrypto) allows remote attackers to execute arbitrary code as […]

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How to Configure iptables Packet Filtering on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure iptables Packet Filtering on Debian 9

Introduction This guide explains how to Configure iptables Packet Filtering on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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