Common Problems

Alpine Linux edge — nmap — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — nmap — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 7.80-r0 📖 ~4 min read  •  Source: Alpine secdb entry — nmap 7.80-r0 Related CVEs: CVE-2017-18594 CVE-2018-15173 Upstream summary: Alpine main repository for vedge ships nmap 7.80-r0 which addresses CVE-2017-18594. Table of contents Symptom & Impact […]

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FreeBSD 12 — chasen — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — chasen — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ChaSen — buffer overflow Related CVEs: CVE-2011-4000 Upstream summary: JVN iPedia reports: ChaSen provided by Nara Institute of Science and Technology is a software for morphologically analyzing Japanese. ChaSen contains […]

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FreeBSD 12 — horde-devel — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — horde-devel — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: horde — cross-site scripting vulnerability in help window Upstream summary: A Horde Team announcement states that a potential cross-site scripting vulnerability in the help window has been corrected. The vulnerability […]

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

openSUSE Tumbleweed — crmsh — 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-2021:0055-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-35459 Upstream summary: An issue was discovered in ClusterLabs crmsh through 4.2.1. Local attackers able to call "crm history" (when "crm" is run) were able […]

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FreeBSD 12 — gnu-radius — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gnu-radius — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gnu-radius — SNMP-related denial-of-service Related CVEs: CVE-2004-0849 Upstream summary: An iDEFENSE security advisory reports: Remote exploitation of an input validation error in version 1.2 of GNU radiusd could allow a […]

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Oracle Linux 8 — python27:2.7 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python27:2.7 — vulnerability — patch and remediation guide (ELSA-2022-7593)

🟡 Medium   ⏱ 10–30 min  Last verified: 6 May 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7593 Related CVEs: CVE-2015-20107 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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Arch Linux — libtirpc — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — libtirpc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201705-5 Related CVEs: CVE-2017-8779 Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.0.1-2. Fixed in: 1.0.1-3. Group: AVG-262. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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SLES 12 — python-Flask — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-Flask — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 May 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1901-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-1010083 Upstream summary: The Pallets Project Flask before 1.0 is affected by: unexpected memory usage. The impact is: denial of service. The attack vector is: […]

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

FreeBSD 12 — xen-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 6 May 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xen-kernel — multiple vulnerabilities Related CVEs: CVE-2015-0268 CVE-2015-1563 CVE-2015-2044 CVE-2015-2045 CVE-2015-2151 CVE-2015-2751 CVE-2015-2752 CVE-2015-3340  +12 more Upstream summary: The Xen project reports multiple vulnerabilities. Table of contents Symptom & Impact […]

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Common Problems 121070

Debian 10 – ext4 Filesystem Remounts Read-Only – Root Cause and Repair

🔴 Critical   ⏱ 5–30 min  Last verified: 5 May 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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CHAT