September 2017

Ubuntu 16.04 — lightdm — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — lightdm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3255-1 Related CVEs: CVE-2017-7358 Upstream summary: It was discovered that LightDM incorrectly handled home directory creation for guest users. A local attacker could use this issue to gain ownership of […]

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Debian 9 — atril — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — atril — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000083 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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Ubuntu 16.04 — node-tar — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — node-tar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4777-1 Related CVEs: CVE-2015-8860 Upstream summary: It was discovered that node-tar mishandled certain tar archives. An attacker could use this vulnerability to write arbitrary files to the filesystem. Table of […]

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Ubuntu 14.04 — libplist — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libplist — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3429-1 Related CVEs: CVE-2017-7982 Upstream summary: Wang Junjie discovered that Libplist incorrectly handled certain files. If a user were tricked into opening a crafted file, an attacker could possibly use […]

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Ubuntu 16.04 — game-music-emu — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — game-music-emu — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4816-1 Related CVEs: CVE-2017-17446 Upstream summary: It was discovered that game-music-emu mishandled certain crafted input. A remote attacker could use this vulnerability to cause game-music-emu to crash. Table of contents […]

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Debian 9 — xdg-utils — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — xdg-utils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-18266 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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Debian 9 — optipng — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — optipng — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16938 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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Ubuntu 16.04 — libpgf — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libpgf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4554-1 Related CVEs: CVE-2015-6673 Upstream summary: It was discovered that libPGF lacked proper validation when opening a specially crafted PGF file. An attacker could possibly use this issue to cause […]

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Ubuntu 16.04 — icoutils — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — icoutils — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4695-1 Related CVEs: CVE-2017-5208 CVE-2017-5331 CVE-2017-5332 CVE-2017-5333 CVE-2017-6009 CVE-2017-6010 CVE-2017-6011 Upstream summary: Choongwoo Han discovered that icoutils incorrectly handled certain files. An attacker could possibly use this issue to cause […]

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