Common Problems

Gentoo Linux — media-sound/wavpack — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-sound/wavpack — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-19 Related CVEs: CVE-2018-19840 CVE-2018-19841 CVE-2019-11498 Upstream summary: Multiple vulnerabilities have been discovered in WavPack. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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

FreeBSD 12 — pam_smb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Buffer overflow in pam_smb password handling Related CVEs: CVE-2003-0686 Upstream summary: Applications utilizing pam_smb can be compromised by any user who can enter a password. In many cases, this is […]

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

FreeBSD 12 — bro — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bro — invalid memory access or heap buffer over-read Related CVEs: CVE-2017-12175 Upstream summary: Jon Siwek of Corelight reports: This is a security patch release to address a potential Denial […]

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SLES 15 — xrdb — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — xrdb — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 October 2019 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2011:016 (see also SUSE bugzilla) Related CVEs: CVE-2011-0465 Upstream summary: xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a […]

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Arch Linux — pass — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pass — vulnerability — 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-201806-11 Related CVEs: CVE-2018-12356 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 1.7.1-1. Fixed in: 1.7.2-1. Group: AVG-720. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — freeradius:3.0 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — freeradius:3.0 — vulnerability — patch and remediation guide (ELSA-2020-1672)

🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2019 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1672 Related CVEs: CVE-2019-13456 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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FreeBSD 12 — ja-w3m-img — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

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

🟠 High   ⏱ 15–60 min  Last verified: 27 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 118568

Nginx fails to reload due to duplicate server_name

🟡 Medium   ⏱ 5–30 min  Last verified: 26 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 — global — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — global — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 October 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: global — gozilla vulnerability Related CVEs: CVE-2017-17531 Upstream summary: MITRE reports: gozilla.c in GNU GLOBAL 4.8.6 does not validate strings before launching the program specified by the BROWSER environment variable, […]

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Common Problems 115637

firewalld Blocks Required Application Port – RHEL 7 Post 133

🟡 Medium   ⏱ 5–30 min  Last verified: 26 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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