Logging Monitoring

Common Problems 114911

RHEL 8 firewalld Blocking Application Port Despite Service Running

🟡 Medium   ⏱ 5–30 min  Last verified: 19 November 2021 📖 ~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 […]

Read more
Common Problems 112545

Windows Server 2019 — .NET Framework 4.8 install fails or repair leaves applications broken — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 November 2021 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 […]

Read more
FreeBSD 13 — suphp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — suphp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: suPHP — Privilege escalation Related CVEs: CVE-2008-1614 Upstream summary: suPHP developer Sebastian Marsching reports: When the suPHP_PHPPath was set, mod_suphp would use the specified PHP executable to pretty-print PHP source […]

Read more
Debian 11 — changetrack — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — changetrack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3233 Upstream summary: changetrack 4.3 allows local users to execute arbitrary commands via CRLF sequences and shell metacharacters in a filename in a directory that is checked by […]

Read more
openSUSE Tumbleweed — python38-numba — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python38-numba — vulnerability — patch and remediation guide

🟠 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) […]

Read more
FreeBSD 13 — amaya — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — amaya — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: amaya — multiple buffer overflow vulnerabilities Related CVEs: CVE-2006-1900 CVE-2008-5282 CVE-2009-0323 Upstream summary: Secunia reports: A boundary error when processing "div" HTML tags can be exploited to cause a stack-based […]

Read more
Debian 11 — libapache2-mod-auth-openid — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libapache2-mod-auth-openid — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2760 Upstream summary: mod_auth_openid before 0.7 for Apache uses world-readable permissions for /tmp/mod_auth_openid.db, which allows local users to obtain session ids. Table of contents Symptom & Impact Environment […]

Read more
SLES 15 — stunnel — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — stunnel — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 November 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:0709-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1762 CVE-2021-20230 CVE-2015-3644 CVE-2011-2940 CVE-2014-0016 Upstream summary: stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer […]

Read more
Arch Linux — virtualbox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — virtualbox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 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 […]

Read more
How to Scan for Vulnerabilities with OpenVAS on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Scan for Vulnerabilities with OpenVAS on FreeBSD 13

Introduction This guide explains how to Scan for Vulnerabilities with OpenVAS on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for […]

Read more
CHAT