Security Hardening

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

Debian 11 — pycares — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 June 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-48945 Upstream summary: pycares is a Python module which provides an interface to c-ares. c-ares is a C library that performs DNS requests and name resolutions asynchronously. Prior […]

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AlmaLinux 8 — hamcrest — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — hamcrest — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean by default […]

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Ubuntu 18.04 — node-sha.js — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-sha.js — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 June 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7778-1 Related CVEs: CVE-2025-9288 Upstream summary: Nikita Skovoroda discovered that sha.js did not properly handle certain inputs. An attacker could possibly use this issue to manipulate the internal state of […]

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Alpine Linux 3.20 — openscad — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — openscad — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2021.01-r2 📖 ~4 min read  •  Source: Alpine secdb entry — openscad 2021.01-r2 Related CVEs: CVE-2022-0496 CVE-2022-0497 Upstream summary: Alpine community repository for vv3.20 ships openscad 2021.01-r2 which addresses CVE-2022-0496. Table of contents Symptom & Impact […]

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SLES 12 — npm18 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — npm18 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 June 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:3919-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-7783 CVE-2024-21892 CVE-2025-22150 CVE-2025-23085 CVE-2024-21538 CVE-2024-22020 CVE-2024-36138 CVE-2024-27980 Upstream summary: Use of Insufficiently Random Values vulnerability in form-data allows HTTP Parameter Pollution (HPP). This vulnerability […]

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Alpine Linux 3.19 — py3-idna — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — py3-idna — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-idna 3.7-r0 Related CVEs: CVE-2024-3651 Upstream summary: Alpine main repository for vv3.19 ships py3-idna 3.7-r0 which addresses CVE-2024-3651. Table of contents Symptom & Impact Environment […]

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Alpine Linux 3.19 — openvpn — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — openvpn — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 2.6.7-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openvpn 2.6.7-r0 Related CVEs: CVE-2023-46849 CVE-2023-46850 CVE-2025-2704 CVE-2025-13086 CVE-2024-5594 CVE-2024-28882 CVE-2022-0547 CVE-2020-15078  +5 more Upstream summary: Alpine main repository for vv3.19 ships openvpn 2.6.7-r0 which […]

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Windows Server 2019 — KB5058403 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5058403 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5058403 • MSRC update-guide entry Related CVEs: CVE-2025-32710 CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2024-49128 CVE-2025-47955 CVE-2025-29959 CVE-2025-29960  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Windows […]

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NetBSD 10.0 — xentools33 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — xentools33 — vulnerability — 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-2012-0029 Upstream summary: pkgsrc audit-packages flagged xentools33<3.3.0nb2 for vulnerability class 'security-bypass'. Reference: http://secunia.com/advisories/32064/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Generate systemd Units for Podman Containers on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Generate systemd Units for Podman Containers on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying generate systemd units for podman containers both straightforward and auditable. This tutorial covers the complete procedure for how to Generate systemd Units for Podman Containers on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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