Common Problems

Ubuntu 16.04 — libssh2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libssh2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 April 2020 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6371-1 Related CVEs: CVE-2020-22218 CVE-2019-13115 CVE-2019-17498 CVE-2019-3855 CVE-2019-3856 CVE-2019-3857 CVE-2019-3858 CVE-2019-3859  +4 more Upstream summary: It was discovered that libssh2 incorrectly handled memory access. An attacker could possibly use this […]

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SLES 12 — spice-vdagent — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — spice-vdagent — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 April 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:3268-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25653 CVE-2020-25650 CVE-2020-25651 CVE-2020-25652 CVE-2017-15108 Upstream summary: A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client connections. This flaw […]

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openSUSE Tumbleweed — rpmlint — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — rpmlint — 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-2019:2408-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-3689 Upstream summary: The nfs-utils package in SUSE Linux Enterprise Server 12 before and including version 1.3.0-34.18.1 and in SUSE Linux Enterprise Server 15 before […]

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Common Problems 121141

Python Module Not Found in Production Script

🟡 Medium   ⏱ 5–30 min  Last verified: 27 April 2020 Affected versions: Debian 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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Common Problems 113629

Windows Server 2012 R2 – SACL configured but no audit events generated – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 27 April 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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openSUSE Tumbleweed — zoo — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — zoo — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2006:005 (see also SUSE bugzilla) Related CVEs: CVE-2006-0855 CVE-2007-1669 Upstream summary: Stack-based buffer overflow in the fullpath function in misc.c for zoo 2.10 and earlier, as used in products such as Barracuda […]

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Common Problems 113520

Windows Server 2012 R2 — Computer secure channel broken: machine cannot authenticate to domain — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 April 2020 Affected versions: Windows Server 2012 R2 📖 ~2 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 […]

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FreeBSD 12 — isc-dhcp31-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — isc-dhcp31-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: isc-dhcp-server — server halt upon processing certain packets Related CVEs: CVE-2011-2748 CVE-2011-2749 Upstream summary: ISC reports: A pair of defects cause the server to halt upon processing certain packets. The […]

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FreeBSD 12 — ziproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ziproxy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ziproxy — security vulnerability in PNG decoder Related CVEs: CVE-2009-0804 CVE-2010-1513 Upstream summary: Daniel Mealha Cabrita reports: Fixed security vulnerability (heap-related) in PNG decoder. (new bug from 3.1.0) Table of […]

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