Package Management

Debian 11 — puppet-module-puppetlabs-stdlib — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — puppet-module-puppetlabs-stdlib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-1029 Upstream summary: The puppetlabs-stdlib module 2.1 through 3.0 and 4.1.0 through 4.5.x before 4.5.1 for Puppet 2.8.8 and earlier allows remote authenticated users to gain privileges or […]

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Ubuntu 16.04 — libgoogle-gson-java — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libgoogle-gson-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6692-1 Related CVEs: CVE-2022-25647 Upstream summary: It was discovered that Gson incorrectly handled deserialization of untrusted input data. If a user or an automated system were tricked into opening a […]

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

How to Configure Kibana Dashboards on SLES 12

Introduction This tutorial covers How to Configure Kibana Dashboards 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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CentOS Stream 9 — gdb — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

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

🟢 Low   ⏱ 5–15 min  Last verified: 5 December 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:6372 Related CVEs: CVE-2021-3826 Upstream summary: The GNU Debugger (GDB) allows users to debug programs written in various programming languages including C, C++, and Fortran. Security Fix(es): * libiberty: Heap/stack buffer […]

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

openSUSE Tumbleweed — tack — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:12876 (see also SUSE bugzilla) Related CVEs: CVE-2022-29458 Upstream summary: ncurses 6.3 before patch 20220416 has an out-of-bounds read and segmentation violation in convert_strings in tinfo/read_entry.c in the terminfo library. Table of […]

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CentOS Stream 9 — butane — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — butane — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 December 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:2193 Related CVEs: CVE-2022-27664 CVE-2022-32189 Upstream summary: Butane translates human-readable Butane Configs into machine-readable Ignition configs for provisioning operating systems that use Ignition. The following packages have been upgraded to a […]

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How to Harden Web Servers with Security Headers, CSP, and HSTS on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Harden Web Servers with Security Headers, CSP, and HSTS on RHEL 9

HTTP security headers are a lightweight but highly effective layer of defence for web applications, instructing browsers to enforce policies that mitigate common attacks like clickjacking, MIME-type sniffing, cross-site scripting (XSS), and protocol downgrade attacks. HSTS (HTTP Strict Transport Security) forces browsers to use HTTPS exclusively, while a Content Security Policy (CSP) controls which resources […]

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openSUSE Tumbleweed — SDL2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — SDL2 — multiple vulnerabilities (5 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-2022:0104-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-14409 CVE-2020-14410 CVE-2017-2888 CVE-2022-4743 CVE-2019-13626 Upstream summary: SDL (Simple DirectMedia Layer) through 2.0.12 has an Integer Overflow (and resultant SDL_memcpy heap corruption) in SDL_BlitCopy in […]

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Oracle Linux 8 — maven:3.5 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — maven:3.5 — vulnerability — patch and remediation guide (ELSA-2022-4798)

🟠 High   ⏱ 15–60 min  Last verified: 5 December 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4798 Related CVEs: CVE-2022-29599 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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