Fix Prevention

Ubuntu 16.04 — rails — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — rails — multiple vulnerabilities (5 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-7646-1 Related CVEs: CVE-2019-5418 CVE-2024-41128 CVE-2024-47887 CVE-2024-47888 CVE-2024-47889 Upstream summary: It was discovered that Rails did not correctly handle headers. An attacker could potentially use this issue to view arbitrary […]

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Ubuntu 20.04 — python-virtualenv — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-virtualenv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7271-1 Related CVEs: CVE-2024-53899 Upstream summary: It was discovered that virtualenv incorrectly handled paths when activating virtual environments. An attacker could possibly use this issue to execute arbitrary code. Table […]

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Ubuntu 20.04 — fastd — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — fastd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4610-1 Related CVEs: CVE-2020-27638 Upstream summary: It was discovered that fastd did not properly handle receive buffers under certain circumstances. A remote attacker could possibly use this issue to cause […]

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Ubuntu 22.04 — yara — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — yara — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7177-1 Related CVEs: CVE-2021-45429 Upstream summary: It was discovered that YARA did not properly sanitize its configuration settings. An attacker could potentially exploit this issue to cause a denial of […]

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Ubuntu 20.04 — audacity — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — audacity — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7211-1 Related CVEs: CVE-2020-11867 Upstream summary: Mike Salvatore discovered that Audacity incorrectly handled default permissions of temporary files created by the application. An attacker could possibly use this issue to […]

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Ubuntu 20.04 — ruby-nokogiri — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ruby-nokogiri — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7659-1 Related CVEs: CVE-2022-29181 CVE-2022-40303 CVE-2020-26247 Upstream summary: It was discovered Nokogiri did not correctly parse XML Schemas. If a user or automated system were tricked into opening a specially […]

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Ubuntu 16.04 — twitter-bootstrap3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — twitter-bootstrap3 — multiple vulnerabilities (3 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-7556-1 Related CVEs: CVE-2024-6484 CVE-2024-6531 CVE-2024-6485 Upstream summary: It was discovered that Bootstrap did not correctly sanitize certain input in the carousel component. An attacker could possibly use this issue […]

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Ubuntu 18.04 — db5.3 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — db5.3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4004-1 Related CVEs: CVE-2019-8457 Upstream summary: It was discovered that Berkeley DB incorrectly handled certain inputs. An attacker could possibly use this issue to read sensitive information. Table of contents […]

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

Ubuntu 14.04 — vcftools — 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-4835-1 Related CVEs: CVE-2018-11099 CVE-2018-11129 CVE-2018-11130 CVE-2019-1010127 Upstream summary: It was discovered that VCFtools improperly handled certain input. If a user were tricked into opening a crafted input file, VCFtools […]

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Ubuntu 24.04 — ovn — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ovn — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7396-1 Related CVEs: CVE-2025-0650 Upstream summary: Marius Berntsberg, Trygve Vea, Tore Anderson, Rodolfo Alonso, Jay Faulkner, and Brian Haley discovered that OVN incorrectly handled certain crafted UDP packets. A remote […]

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