Package Management

Debian 11 — latex2rtf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — latex2rtf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2167 CVE-2015-8106 Upstream summary: Multiple buffer overflows in LaTeX2rtf 1.9.15, and possibly other versions, allow remote attackers to execute arbitrary code via (1) the expandmacro function, and possibly […]

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Debian 11 — pam-p11 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pam-p11 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16058 Upstream summary: An issue was discovered in the pam_p11 component 0.2.0 and 0.3.0 for OpenSC. If a smart card creates a signature with a length longer than […]

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

How to Configure Ceph Cluster on SLES 12

Introduction This tutorial covers How to Configure Ceph Cluster 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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Debian 11 — python-os-vif — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-os-vif — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15753 Upstream summary: In OpenStack os-vif 1.15.x before 1.15.2, and 1.16.0, a hard-coded MAC aging time of 0 disables MAC learning in linuxbridge, forcing obligatory Ethernet flooding of […]

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Debian 11 — ruby-haml — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-haml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1002201 Upstream summary: In haml versions prior to version 5.0.0.beta.2, when using user input to perform tasks on the server, characters like < > " ' must be […]

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

Debian 11 — matplotlib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1424 Upstream summary: Buffer overflow vulnerability in matplotlib.This issue affects matplotlib: before upstream commit ba4016014cb4fb4927e36ce8ea429fed47dcb787. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

Debian 11 — haskell-tls — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-3389 CVE-2014-3566 Upstream summary: The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, and other products, encrypts […]

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AlmaLinux 8 — lensfun — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — lensfun — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1971 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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How to Harden Web Servers on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Harden Web Servers on FreeBSD 13

Introduction Deploying harden web servers on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]

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