Common Problems

FreeBSD 13 — libproxy — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libproxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

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FreeBSD 13 — php55-snmp — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php55-snmp — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8879 CVE-2016-5385 CVE-2016-5399 CVE-2016-6288 CVE-2016-6289 CVE-2016-6290 CVE-2016-6291 CVE-2016-6292  +4 more Upstream summary: PHP reports: Fixed bug #69975 (PHP segfaults when accessing nvarchar(max) defined columns) […]

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Arch Linux — lib32-openssl — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — lib32-openssl — multiple vulnerabilities (20 CVEs) — 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-202004-19 Related CVEs: CVE-2020-1967 CVE-2016-6306 CVE-2016-6304 CVE-2016-6303 CVE-2016-6302 CVE-2016-2183 CVE-2016-2182 CVE-2016-2181  +12 more Upstream summary: Type: denial of service. Status: Fixed. Affected: 1.1.1.f-1. Fixed in: 1.1.1.g-1. Group: AVG-1142. Table of […]

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FreeBSD 12 — py311-httpx — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py311-httpx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 June 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-httpx — input validation vulnerability Related CVEs: CVE-2021-41945 Upstream summary: lebr0nli reports: Encode OSS httpx <=1.0.0.beta0 is affected by improper input validation in `httpx.URL`, `httpx.Client` and some functions using `httpx.URL.copy_with`. […]

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Common Problems 115033

RHEL 8 sudo command delay caused by SSSD offline lookups

🟡 Medium   ⏱ 5–30 min  Last verified: 10 June 2021 📖 ~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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Arch Linux — kdeconnect — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — kdeconnect — 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-202010-7 Related CVEs: CVE-2020-26164 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 20.08.1-1. Fixed in: 20.08.2-1. Group: AVG-1241. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 13 — WebCalendar-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — WebCalendar-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: WebCalendar — multiple vulnerabilities Related CVEs: CVE-2012-0846 CVE-2012-1495 CVE-2012-1496 Upstream summary: Hanno Boeck reports: Fixes [are now available] for various security vulnerabilities including LFI (local file inclusion), XSS (cross site […]

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FreeBSD 13 — phoenix — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — phoenix — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0762 CVE-2004-0765 CVE-2004-0904 CVE-2004-0905 CVE-2004-0908 CVE-2004-0909 CVE-2004-1156 CVE-2004-1157  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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Oracle Linux 8 — Error: " mcelog service does not support this processor " — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Error: ” mcelog service does not support this processor “

🟠 High   ⏱ 5–30 min  Last verified: 9 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 29501190 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 […]

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Common Problems 112531

Windows Server 2019 – Hyper-V virtual switch loses uplink after NIC driver update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 9 June 2021 Affected versions: Windows Server 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 […]

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