Linux

Red Hat Enterprise Linux 7 — rhc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — rhc — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:8855 Related CVEs: CVE-2026-25679 CVE-2025-61726 CVE-2025-61729 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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Debian 13 — grub2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — grub2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-4128 CVE-2013-4577 CVE-2015-8370 CVE-2017-9763 CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310  +12 more Upstream summary: GNU GRand Unified Bootloader (GRUB) 2 1.97 only compares the submitted portion of a password with […]

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AlmaLinux 9 — dovecot — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — dovecot — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:13857 Related CVEs: CVE-2025-59032 CVE-2026-27857 CVE-2026-27858 CVE-2024-23184 CVE-2024-23185 CVE-2022-30550 Upstream summary: Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a […]

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Common Problems 115956

Ubuntu 26.04 LTS – Cloud-init rewrites network settings unexpectedly – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 25 June 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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AlmaLinux 8 — perl-Pod-Escapes — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Pod-Escapes — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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How to Configure MongoDB Authentication on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Configure MongoDB Authentication on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying configure mongodb authentication both straightforward and auditable. This tutorial covers the complete procedure for how to Configure MongoDB Authentication on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You will need: […]

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Debian 13 — insighttoolkit5 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — insighttoolkit5 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 June 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-4739 Upstream summary: Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (‎Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Alpine Linux edge — uriparser — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — uriparser — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.0.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — uriparser 1.0.2-r0 Related CVEs: CVE-2026-44927 CVE-2026-44928 CVE-2024-34402 CVE-2024-34403 CVE-2021-46141 CVE-2021-46142 Upstream summary: Alpine community repository for vedge ships uriparser 1.0.2-r0 which addresses CVE-2026-44927. Table of […]

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

Debian 13 — pupnp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 June 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-41682 Upstream summary: pupnp is an SDK for development of UPnP device and control point applications. Prior to version 1.18.5, pupnp is vulnerable to SRRF port confusion due to […]

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Alpine Linux edge — freerdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — freerdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.24.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — freerdp 3.24.2-r0 Related CVEs: CVE-2026-33952 CVE-2026-33977 CVE-2026-33983 CVE-2026-33984 CVE-2026-33985 CVE-2026-33986 CVE-2026-33987 CVE-2026-33982  +12 more Upstream summary: Alpine community repository for vedge ships freerdp 3.24.2-r0 which […]

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