ubuntu

Ubuntu 16.04 — fail2ban — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — fail2ban — 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-5232-1 Related CVEs: CVE-2021-32749 Upstream summary: Jakub Żoczek discovered that certain Fail2ban actions handled whois responses in an insecure way. If Fail2ban was configured to use certain mail actions like […]

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

Ubuntu 16.04 — mc — 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-5160-1 Related CVEs: CVE-2021-36370 Upstream summary: It was discovered that Midnight Commander would not check server fingerprints when establishing an SFTP connection. If a remote attacker were able to intercept […]

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

Ubuntu 16.04 — oddjob — 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-5169-1 Related CVEs: CVE-2020-10737 Upstream summary: Matthias Gerstner discovered that there was a race condition in the mkhomedir tool shipped with the oddjob package. An authenticated attacker could use this […]

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Ubuntu 16.04 — httpcomponents-client — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — httpcomponents-client — 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-5239-1 Related CVEs: CVE-2020-13956 Upstream summary: It was discovered that HttpClient mishandled certain input. An attacker could use this vulnerability to cause a crash or possibly execute arbitrary code. Table […]

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

Ubuntu 16.04 — dpkg — 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-5446-2 Related CVEs: CVE-2022-1664 Upstream summary: USN-5446-1 fixed a vulnerability in dpkg. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Max Justicz discovered that dpkg […]

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

Ubuntu 22.04 — tang — 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-6489-1 Related CVEs: CVE-2023-1672 Upstream summary: Brian McDermott discovered that Tang incorrectly handled permissions when creating/rotating keys. A local attacker could possibly use this issue to read the keys. Table […]

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Ubuntu 22.04 — tidy-html5 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — tidy-html5 — 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-6483-1 Related CVEs: CVE-2021-33391 Upstream summary: Neeraj Pal discovered that HTML Tidy incorrectly handled parsing certain HTML data. If a user or automated system were tricked into parsing specially crafted […]

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Ubuntu 16.04 — c3p0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — c3p0 — 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-5293-2 Related CVEs: CVE-2019-5427 Upstream summary: USN-5293-1 fixed a vulnerability in c3p0. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Aaron Massey discovered that c3p0 […]

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

Ubuntu 22.04 — gawk — 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-6373-1 Related CVEs: CVE-2023-4156 Upstream summary: It was discovered that gawk could be made to read out of bounds when processing certain inputs. If a user or an automated system […]

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Ubuntu 16.04 — hdf5 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — hdf5 — multiple vulnerabilities (6 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-5272-1 Related CVEs: CVE-2018-17233 CVE-2018-17234 CVE-2018-17237 CVE-2017-17505 CVE-2017-17506 CVE-2017-17508 Upstream summary: It was discovered that HDF5 incorrectly handled certain inputs. An attacker could possibly use this issue to cause a […]

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