Common Problems

FreeBSD 12 — postfixadmin — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — postfixadmin — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: postfixadmin — SQL injection vulnerability Related CVEs: CVE-2012-0811 CVE-2012-0812 CVE-2014-2655 Upstream summary: Thijs Kinkhorst reports: Postfixadmin has an SQL injection vulnerability. This vulnerability is only exploitable by authenticated users able […]

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Common Problems 112593

Windows Server 2019 — Windows Firewall ruleset regression blocks east-west traffic after GPO refresh — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 2 January 2020 Affected versions: Windows Server 2019 📖 ~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 Errors […]

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FreeBSD 12 — jdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — jdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jdk/jre — Applet Caching May Allow Network Access Restrictions to be Circumvented Related CVEs: CVE-2004-1029 CVE-2005-1080 CVE-2007-5232 Upstream summary: SUN reports: A vulnerability in the Java Runtime Environment (JRE) with […]

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Debian 10 — ibus — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ibus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 January 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14822 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 118979

Ubuntu 14.04 LTS – system enters GRUB rescue after bootloader issue

🔴 Critical   ⏱ 5–30 min  Last verified: 1 January 2020 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

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Common Problems 114920

Dracut initqueue timeout during boot

🟡 Medium   ⏱ 5–30 min  Last verified: 1 January 2020 📖 ~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 […]

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FreeBSD 12 — py39-notebook — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-notebook — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: jupyter notebook — open redirect vulnerability Upstream summary: Jupyter reports: 6.1.5 is a security release, fixing one vulnerability: Fix open redirect vulnerability GHSA-c7vm-f5p4-8fqh (CVE to be assigned) Table of contents […]

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Common Problems 113530

Windows Server 2012 R2 — krbtgt password reset procedure required after suspected golden ticket exposure — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 1 January 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 — pngcrush — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — pngcrush — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pngcrush — libpng Uninitialised Pointer Arrays Vulnerability Related CVEs: CVE-2009-0040 Upstream summary: Secunia reports: A vulnerability has been reported in Pngcrush, which can be exploited by malicious people to potentially […]

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openSUSE Tumbleweed — libcroco — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libcroco — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:1575-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-7960 CVE-2017-7961 CVE-2017-8834 CVE-2017-8871 Upstream summary: The cr_input_new_from_uri function in cr-input.c in libcroco 0.6.11 and 0.6.12 allows remote attackers to cause a denial of service […]

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