February 2020 - Page 21 of 64

Common Problems 121056

Debian 10 Boot Stalls on Emergency Mode

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 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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FreeBSD 12 — squid-devel — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — squid-devel — multiple vulnerabilities (8 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: squid — Vulnerable to Denial of Service attack Related CVEs: CVE-2016-10002 CVE-2016-10003 CVE-2016-4553 CVE-2016-4554 CVE-2016-4555 CVE-2016-4556 CVE-2018-1000024 CVE-2018-1000027 Upstream summary: Louis Dion-Marcil reports: Due to incorrect pointer handling Squid is […]

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How to Configure auditd on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Configure auditd on FreeBSD 12

Introduction This guide explains how to Configure auditd on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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

FreeBSD 12 — busybox — 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: LZO — potential buffer overrun when processing malicious input data Related CVEs: CVE-2014-4608 Upstream summary: Markus Franz Xaver Johannes Oberhumer reports, in the package's NEWS file: Fixed a potential integer […]

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FreeBSD 12 — py33-foolscap — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py33-foolscap — security advisory — 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: py-foolscap — local file inclusion Upstream summary: Brian Warner reports: The "flappserver" feature was found to have a vulnerability in the service-lookup code which, when combined with an attacker who […]

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Common Problems 118077

Ubuntu 18.04 Apache 503 Errors from PHP-FPM Socket Permission Issues

🟡 Medium   ⏱ 5–30 min  Last verified: 20 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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FreeBSD 12 — ghostscript-gpl-nox — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ghostscript-gpl-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 — zseticcspace() function buffer overflow vulnerability Related CVEs: CVE-2008-0411 Upstream summary: Chris Evans from the Google Security Team reports: Severity: parsing of evil PostScript file will result in arbitrary […]

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FreeBSD 12 — axis — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — axis — multiple vulnerabilities (4 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: Axis2 — Security vulnerability on dependency Apache Commons FileUpload Related CVEs: CVE-2010-3981 CVE-2012-6153 CVE-2014-3577 CVE-2016-1000031 Upstream summary: Apache Axis2 reports: The commons-fileupload dependency has been updated to a version that […]

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How to Set Up TeamCity on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up TeamCity on Debian 9

Introduction Deploying set up teamcity on debian 9 on a Debian 9 Stretch machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will need […]

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Debian 10 — openssh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — openssh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Upstream summary: regression update Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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