Security Hardening

How to Manage Services with systemd on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Manage Services with systemd on RHEL 10

Introduction Setting up manage services with systemd on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Manage Services with systemd on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to […]

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Debian 13 — agg — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — agg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-6245 Upstream summary: An issue was discovered in Anti-Grain Geometry (AGG) 2.4 as used in SVG++ (aka svgpp) 1.2.3. In the function agg::cell_aa::not_equal, dx is assigned to (x2 – […]

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Debian 13 — libmailtools-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libmailtools-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1271 Upstream summary: The Mail::Mailer Perl module in the perl-MailTools package 1.47 and earlier uses mailx as the default mailer, which allows remote attackers to execute arbitrary commands […]

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NetBSD 10.0 — git-lfs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — git-lfs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-26625 CVE-2024-53263 Upstream summary: pkgsrc audit-packages flagged git-lfs<3.7.1 for vulnerability class 'symlink-attack'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-26625 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 13 — vanessa-logger — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — vanessa-logger — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2001-1566 Upstream summary: Format string vulnerability in libvanessa_logger 0.0.1 in Perdition 0.1.8 allows remote attackers to execute arbitrary code via format string specifiers in the __vanessa_logger_log function. Table […]

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Debian 13 — musescore2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — musescore2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-44428 CVE-2024-44866 Upstream summary: MuseScore CAP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of […]

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NetBSD 9.4 — ruby-aws-sdk-s3 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-aws-sdk-s3 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-14762 Upstream summary: pkgsrc audit-packages flagged ruby{32,33,34}-aws-sdk-s3<1.208.0 for vulnerability class 'weak-cryptography'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-14762 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 13 — menu-cache — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — menu-cache — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-8933 Upstream summary: Libmenu-cache 1.0.2 insecurely uses /tmp for a socket file, allowing a local user to cause a denial of service (menu unavailability). Table of contents Symptom & […]

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Debian 13 — pyxdg — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pyxdg — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-1624 CVE-2019-12761 Upstream summary: Race condition in the xdg.BaseDirectory.get_runtime_dir function in python-xdg 0.25 allows local users to overwrite arbitrary files by pre-creating /tmp/pyxdg-runtime-dir-fallback-victim to point to a victim-owned […]

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Debian 13 — python-redis — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-redis — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-28858 Upstream summary: redis-py before 4.5.3 leaves a connection open after canceling an async Redis command at an inopportune time, and can send response data to the client of […]

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