Common Problems

Debian 11 — node-macaddress — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-macaddress — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-13797 Upstream summary: The macaddress module before 0.2.9 for Node.js is prone to an arbitrary command injection flaw, due to allowing unsanitized input to an exec (rather than […]

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Common Problems 118615

Ubuntu 16.04 LTS – snapd cannot reach the Snap store

🟡 Medium   ⏱ 5–30 min  Last verified: 27 April 2022 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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openSUSE Tumbleweed — arpwatch — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — arpwatch — 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-2021:0945-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-25321 Upstream summary: A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud […]

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Debian 11 — batik — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — batik — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0508 CVE-2015-0250 CVE-2017-5662 CVE-2018-8013 CVE-2019-17566 CVE-2020-11987 CVE-2022-38398 CVE-2022-38648  +5 more Upstream summary: Unknown vulnerability in Squiggle for Batik before 1.5.1 allows attackers to bypass certain access controls via […]

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Debian 11 — node-minimist — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-minimist — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-7598 CVE-2021-44906 Upstream summary: minimist before 1.2.2 could be tricked into adding or modifying properties of Object.prototype using a "constructor" or "__proto__" payload. Table of contents Symptom & […]

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Common Problems 117089

Ubuntu 22.04 LTS – /etc/fstab errors cause emergency mode on boot

🔴 Critical   ⏱ 5–30 min  Last verified: 27 April 2022 Affected versions: Ubuntu 22.04 LTS Ubuntu 22.04 Ubuntu 22.04.4 📖 ~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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Debian 11 — python-bleach — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-bleach — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7753 CVE-2020-6802 CVE-2020-6816 CVE-2020-6817 CVE-2021-23980 Upstream summary: An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained […]

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Ubuntu 16.04 — apr-util — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — apr-util — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 April 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5870-1 Related CVEs: CVE-2022-25147 CVE-2017-12618 Upstream summary: Ronald Crane discovered that APR-util did not properly handled memory when encoding or decoding certain input data. An attacker could possibly use this […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 27 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — multiple vulnerabilities Related CVEs: CVE-2006-0749 CVE-2006-1045 CVE-2006-1529 CVE-2006-1530 CVE-2006-1531 CVE-2006-1723 CVE-2006-1724 CVE-2006-1725  +12 more Upstream summary: Mozilla Foundation reports: CVE-2019-11751: Malicious code execution through command line parameters CVE-2019-11746: […]

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FreeBSD 13 — tor — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — tor — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: security/tor — SOCKS4(a) inversion bug Related CVEs: CVE-2005-2643 CVE-2006-0414 CVE-2009-0414 CVE-2009-0936 CVE-2009-0937 CVE-2009-0938 CVE-2010-1676 CVE-2011-0427  +3 more Upstream summary: The Tor Project reports: TROVE-2022-002: The SafeSocks option for SOCKS4(a) is […]

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