ubuntu

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

Ubuntu 16.04 — mercurial — 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-5102-2 Related CVEs: CVE-2019-3902 CVE-2018-17983 Upstream summary: USN-5102-1 fixed vulnerabilities in Mercurial. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It […]

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

Ubuntu 16.04 — ant — 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-4874-1 Related CVEs: CVE-2020-1945 Upstream summary: It was discovered that Apache Ant created temporary files with insecure permissions. An attacker could use this vulnerability to read sensitive information leaked into […]

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Ubuntu 22.04 — node-hawk — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-hawk — 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-6116-1 Related CVEs: CVE-2022-29167 Upstream summary: It was discovered that hawk incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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

Ubuntu 16.04 — leptonlib — 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-4819-1 Related CVEs: CVE-2017-18196 CVE-2018-3836 CVE-2018-7186 Upstream summary: It was discovered that Leptonica incorrectly handled path names. An attacker could possibly use this issue to obtain sensitive information. This issue […]

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Ubuntu 16.04 — libidn2-0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libidn2-0 — 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-3421-2 Related CVEs: CVE-2017-14062 Upstream summary: USN-3421-1 fixed a vulnerability in Libidn2. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Table of contents Symptom […]

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

Ubuntu 22.04 — opusfile — 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-5937-1 Related CVEs: CVE-2022-47021 Upstream summary: It was discovered that Opusfile was not properly validating pointer arguments in some of its functions, which could lead to a NULL pointer dereference. […]

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

Ubuntu 16.04 — ocaml — 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-4778-1 Related CVEs: CVE-2015-8869 CVE-2018-9838 Upstream summary: It was discovered that OCaml mishandled sign extensions. A remote attacker could use this vulnerability to steal sensitive information, cause a denial of […]

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Ubuntu 22.04 — isc-dhcp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — isc-dhcp — multiple vulnerabilities (2 CVEs) — 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-5658-1 Related CVEs: CVE-2022-2928 CVE-2022-2929 Upstream summary: It was discovered that DHCP incorrectly handled option reference counting. A remote attacker could possibly use this issue to cause DHCP servers to […]

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

Ubuntu 16.04 — fastd — 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-4718-1 Related CVEs: CVE-2020-27638 Upstream summary: It was discovered that fastd incorrectly handled certain packets. An attacker could possibly use this issue to cause a denial of service. Table of […]

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