August 2017

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

Ubuntu 16.04 — tracker — 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-3101-1 Related CVEs: https://launchpad.net/bugs/1178402 Upstream summary: It was discovered that Tracker incorrectly handled certain malformed GIF images. If a user or automated system were tricked into downloading a specially-crafted GIF […]

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

Ubuntu 16.04 — miniupnpc — multiple vulnerabilities (2 CVEs) — 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-3562-1 Related CVEs: CVE-2017-1000494 CVE-2017-8798 Upstream summary: It was discovered that MiniUPnP incorrectly handled memory. A remote attacker could use this issue to cause a denial of service or possibly […]

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Ubuntu 14.04 — gifsicle — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — gifsicle — multiple vulnerabilities (2 CVEs) — 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-4803-1 Related CVEs: CVE-2017-1000421 CVE-2017-18120 Upstream summary: It was discovered that Gifsicle did not properly handle certain input. If a user were tricked into opening a malicious GIF, an attacker […]

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

Debian 9 — freeradius — 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-2017-10978 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 — netqmail — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — netqmail — 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-2005-1513 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 — imlib2 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — imlib2 — multiple vulnerabilities (8 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-3075-1 Related CVEs: CVE-2011-5326 CVE-2014-9762 CVE-2014-9763 CVE-2014-9764 CVE-2014-9771 CVE-2016-3993 CVE-2016-3994 CVE-2016-4024 Upstream summary: Jakub Wilk discovered an out of bounds read in the GIF loader implementation in Imlib2. An attacker […]

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Ubuntu 16.04 — libxml-libxml-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libxml-libxml-perl — 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-3494-1 Related CVEs: CVE-2017-10672 Upstream summary: It was discovered that XML::LibXML incorrectly handled memory when processing a replaceChild call. A remote attacker could possibly use this issue to execute arbitrary […]

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Ubuntu 14.04 — jbig2dec — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — jbig2dec — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3297-1 Related CVEs: CVE-2016-9601 CVE-2017-7885 CVE-2017-7975 CVE-2017-7976 Upstream summary: Bingchang Liu discovered that jbig2dec incorrectly handled memory when decoding malformed image files. If a user or automated system were tricked […]

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

Debian 9 — gifsicle — 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-2017-1000421 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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