Linux

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0645 CVE-2006-4513 Upstream summary: Buffer overflow in the wvHandleDateTimePicture function in wv library (wvWare) 0.7.4 through 0.7.6 and 1.0.0 allows remote attackers to execute arbitrary code via a […]

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Red Hat Enterprise Linux 10 — curl — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — curl — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:1825 Related CVEs: CVE-2025-9086 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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

Debian 13 — ctn — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5146 Upstream summary: add-accession-numbers in ctn 3.0.6 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/accession temporary file. Table of contents Symptom & […]

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openSUSE Leap 15.6 — pam_u2f — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — pam_u2f — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0167-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-23013 Upstream summary: In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur. This product implements a Pluggable Authentication Module (PAM) that can […]

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Ubuntu 18.04 — libheif — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libheif — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 22 August 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7952-1 Related CVEs: CVE-2024-25269 CVE-2025-68431 CVE-2019-11471 CVE-2020-23109 CVE-2023-0996 CVE-2023-29659 CVE-2023-49460 CVE-2023-49462  +2 more Upstream summary: It was discovered that libheif did not correctly handle certain memory operations. An attacker could […]

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How to Set Up Software RAID with mdadm on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Configure Logrotate on Ubuntu 24.04

Log files grow without bound unless managed. Logrotate is the standard Linux tool that automatically rotates, compresses, and deletes old log files. Ubuntu 24.04 LTS includes Logrotate pre-installed. This guide explains how to configure it. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Step 1 – […]

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Oracle Linux 8 — java-17-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — java-17-openjdk — vulnerability — patch and remediation guide (ELSA-2025-3852)

🟡 Medium   ⏱ 10–30 min  Last verified: 22 August 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-3852 Related CVEs: CVE-2025-21587 CVE-2025-30698 CVE-2025-30691 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Red Hat Enterprise Linux 8 — libxml2 — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — libxml2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:15967 Related CVEs: CVE-2025-9714 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Install Scala and sbt on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install Scala and sbt on Debian 13

Introduction This guide explains how to Install Scala and sbt on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with the […]

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Common Problems 114058

RHEL 10 Apache HTTPD Fails Because SELinux Contexts Are Incorrect

🟠 High   ⏱ 5–30 min  Last verified: 21 August 2025 Affected versions: RHEL 10 📖 ~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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