March 2020 - Page 19 of 69

Common Problems 118576

Ubuntu 16.04 LTS – SSH public key authentication fails

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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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FreeBSD 12 — upp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — upp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SQLite — Corrupt DB can cause a NULL pointer dereference Related CVEs: CVE-2018-8740 Upstream summary: MITRE reports: SQLite databases whose schema is corrupted using a CREATE TABLE AS statement could […]

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Common Problems 117995

Ubuntu 18.04 LTS – GRUB prompt appears after kernel update

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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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FreeBSD 12 — ghostscript7-nox — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ghostscript7-nox — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ghostscript — denial of service (crash) via crafted Postscript files Related CVEs: CVE-2015-3228 Upstream summary: MITRE reports: Integer overflow in the gs_heap_alloc_bytes function in base/gsmalloc.c in Ghostscript 9.15 and earlier […]

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

FreeBSD 12 — gedit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gedit — format string vulnerability Related CVEs: CAN-2005-1686 Upstream summary: Yan Feng reports a format string vulnerability in gedit. This vulnerability could cause a denial of service with a binary […]

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Common Problems 114896

RHEL 8 dnf Metadata Sync Fails With Mirror Timeout

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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How to Install and Use tmux on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install and Use tmux on FreeBSD 12

Introduction FreeBSD 12 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install and use tmux on freebsd 12 on FreeBSD 12 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux […]

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FreeBSD 12 — py35-urllib — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py35-urllib — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: urllib3 — multiple vulnerabilities Related CVEs: CVE-2018-20060 CVE-2019-11236 CVE-2019-11324 Upstream summary: NIST reports: (by search in the range 2018/01/01 – 2019/11/10): urllib3 before version 1.23 does not remove the Authorization […]

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FreeBSD 12 — postgresql-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — postgresql-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: databases/postgresql*-client — multiple vulnerabilities Related CVEs: CVE-2009-4034 CVE-2009-4136 CVE-2012-0866 CVE-2012-0867 CVE-2012-0868 Upstream summary: The PostgreSQL Global Development Group reports: These vulnerabilities could allow users to define triggers that execute functions […]

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