Common Problems

openSUSE Tumbleweed — apache-commons-httpclient — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — apache-commons-httpclient — multiple vulnerabilities (3 CVEs) — 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-2020:1873-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-5262 CVE-2012-5783 CVE-2014-3577 Upstream summary: http/conn/ssl/SSLConnectionSocketFactory.java in Apache HttpComponents HttpClient before 4.3.6 ignores the http.socket.timeout configuration setting during an SSL handshake, which allows remote attackers […]

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Ubuntu 16.04 — liblivemedia — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — liblivemedia — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 October 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4853-1 Related CVEs: CVE-2018-4013 CVE-2019-6256 CVE-2019-7314 CVE-2019-9215 Upstream summary: It was discovered that liveMedia incorrectly handled certain network packets. An attacker could possibly use this issue to execute arbitrary code. […]

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FreeBSD 12 — w3m — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — w3m — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: w3m – multiple vulnerabilities Related CVEs: CVE-2006-6772 CVE-2016-9422 CVE-2016-9423 CVE-2016-9424 CVE-2016-9425 CVE-2016-9426 CVE-2016-9428 CVE-2016-9429  +12 more Upstream summary: Tatsuya Kinoshita reports: CVE-2018-6196 * table.c: Prevent negative indent value in feed_table_block_tag(). […]

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Common Problems 118033

Ubuntu 18.04 LTS GRUB menu missing after dual-boot changes

🟡 Medium   ⏱ 5–30 min  Last verified: 30 October 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 & Cross-Refs References & Further […]

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Common Problems 115524

LVM Logical Volume Full Causing Service Outages

🟡 Medium   ⏱ 5–30 min  Last verified: 30 October 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 & Cross-Refs References & Further […]

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FreeBSD 12 — rubygem18-rack — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rubygem18-rack — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Ruby Rack Gem — Multiple Issues Related CVEs: CVE-2013-0262 CVE-2013-0263 Upstream summary: Rack developers report: Today we are proud to announce the release of Rack 1.4.5. Fix CVE-2013-0263, timing attack […]

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Common Problems 113620

Windows Server 2012 R2 — dsregcmd shows hybrid Azure AD join failure on Windows clients — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 October 2019 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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openSUSE Tumbleweed — xalan-j2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — xalan-j2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0870-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-0107 Upstream summary: The TransformerFactory in Apache Xalan-Java before 2.7.2 does not properly restrict access to certain properties when FEATURE_SECURE_PROCESSING is enabled, which allows remote […]

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Common Problems 112424

Windows Server 2019 — Fine-grained PSO not applied to expected users in the protected group — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 30 October 2019 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 — ruby23-gems — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ruby23-gems — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 30 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: RubyGems — multiple vulnerabilities Related CVEs: CVE-2017-0903 CVE-2019-8320 CVE-2019-8321 CVE-2019-8322 CVE-2019-8323 CVE-2019-8324 CVE-2019-8325 Upstream summary: RubyGems Security Advisories: CVE-2019-8320: Delete directory using symlink when decompressing tar CVE-2019-8321: Escape sequence injection […]

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