Composer ist ein beliebtes Abhängigkeitsmanagement-Tool für PHP, das hauptsächlich zur Erleichterung der Installation und Aktualisierung von Projektabhängigkeiten entwickelt wurde. Es prüft, von welchen anderen Paketen ein bestimmtes Projekt abhängt,…
How to Tune Linux Kernel Parameters with sysctl on RHEL 7 The Linux kernel exposes hundreds of tunable parameters through the sysctl interface, allowing system administrators to adjust network behavior, memory management, file descriptor limits, and security policies without recompiling the kernel or rebooting. On Red Hat Enterprise Linux 7, these parameters are managed through […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-1804 Related CVEs: CVE-2020-14347 CVE-2020-25712 CVE-2020-14344 CVE-2020-14362 CVE-2020-14345 CVE-2020-14360 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.9-r3 📖 ~4 min read • Source: Alpine secdb entry — hostapd 2.9-r3 Related CVEs: CVE-2021-30004 CVE-2020-12695 CVE-2019-16275 CVE-2019-11555 CVE-2019-9496 CVE-2017-13077 CVE-2017-13078 CVE-2017-13079 +8 more Upstream summary: Alpine main repository for vedge ships hostapd 2.9-r3 which […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2022:0134-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-33430 Upstream summary: A Buffer Overflow vulnerability exists in NumPy 1.9.x in the PyArray_NewFromDescr_int function of ctors.c when specifying arrays of large dimensions (over 32) […]
🟡 Medium ⏱ 5–30 min Last verified: 19 May 2026 📖 ~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 & Cross-Refs References & Further […]
🟡 Medium ⏱ 5–30 min Last verified: 04 June 2027 Affected versions: Windows Server 2019 📖 ~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 […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202110-3 Related CVEs: CVE-2021-35545 CVE-2021-35542 CVE-2021-35540 CVE-2021-35538 CVE-2021-2475 CVE-2021-2454 CVE-2021-2443 CVE-2021-2442 +12 more Upstream summary: Type: multiple issues. Status: Fixed. Affected: 6.1.26-2. Fixed in: 6.1.28-1. Group: AVG-2476. Table of contents […]
Introduction This tutorial covers How to Set Up Lynis Security Auditing 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: […]
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