Fix Prevention

Ubuntu 14.04 — libyaml-libyaml-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libyaml-libyaml-perl — 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-2461-2 Related CVEs: CVE-2014-9130 Upstream summary: Stanisław Pitucha and Jonathan Gray discovered that libyaml-libyaml-perl did not properly handle wrapped strings. An attacker could create specially crafted YAML data to trigger […]

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Ubuntu 20.04 — ruby-saml — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ruby-saml — multiple vulnerabilities (6 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-7409-1 Related CVEs: CVE-2025-25291 CVE-2025-25292 CVE-2025-25293 CVE-2016-5697 CVE-2017-11428 CVE-2024-45409 Upstream summary: It was discovered that ruby-saml did not correctly handle XML parsing. An attacker could possibly use this issue to […]

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Ubuntu 24.04 — python-werkzeug — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-werkzeug — multiple vulnerabilities (2 CVEs) — 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-7093-1 Related CVEs: CVE-2024-49767 CVE-2024-34069 Upstream summary: It was discovered that Werkzeug incorrectly handled multiple form submission requests. A remote attacker could possibly use this issue to cause Werkzeug to […]

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Ubuntu 20.04 — fontforge — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — fontforge — multiple vulnerabilities (2 CVEs) — 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-6856-1 Related CVEs: CVE-2024-25081 CVE-2024-25082 Upstream summary: It was discovered that FontForge incorrectly handled filenames. If a user or an automated system were tricked into opening a specially crafted input […]

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Ubuntu 16.04 — unbound — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — unbound — multiple vulnerabilities (4 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-7080-1 Related CVEs: CVE-2024-8508 CVE-2024-43167 CVE-2024-43168 CVE-2017-15105 Upstream summary: Toshifumi Sakaguchi discovered that Unbound incorrectly handled name compression for large RRsets, which could lead to excessive CPU usage. An attacker […]

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Ubuntu 14.04 — lua5.1 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — lua5.1 — 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-2338-1 Related CVEs: CVE-2014-5461 Upstream summary: It was discovered that Lua incorrectly handled certain vararg functions with a large number of fixed parameters. An attacker could use this issue to […]

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

Ubuntu 20.04 — alpine — 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-7360-1 Related CVEs: CVE-2020-14929 CVE-2021-38370 CVE-2021-46853 Upstream summary: It was discovered that Alpine did not use a secure connection under certain circumstances. A remote attacker could possibly use this issue […]

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Ubuntu 18.04 — ec2-hibinit-agent — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ec2-hibinit-agent — 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-6519-1 Related CVEs: https://launchpad.net/bugs/1941785 Upstream summary: The EC2 hibagent package has been updated to add IMDSv2 support, as IMDSv1 uses an insecure protocol and is no longer recommended. Table of […]

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

Ubuntu 14.04 — glance — 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-3446-1 Related CVEs: CVE-2015-5251 CVE-2015-5286 CVE-2016-0757 CVE-2014-5356 Upstream summary: Hemanth Makkapati discovered that OpenStack Glance incorrectly handled access restrictions. A remote authenticated user could use this issue to change the […]

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

Ubuntu 24.04 — libppd — 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-7045-1 Related CVEs: CVE-2024-47175 Upstream summary: Simone Margaritelli discovered that libppd incorrectly sanitized IPP data when creating PPD files. A remote attacker could possibly use this issue to manipulate PPD […]

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