Ubuntu 16.04

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

Ubuntu 16.04 — python-crypto — 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-3616-1 Related CVEs: CVE-2018-6594 CVE-2013-7459 Upstream summary: It was discovered that Python Crypto incorrectly generated ElGamal key parameters. A remote attacker could possibly use this issue to obtain sensitive information. […]

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

Ubuntu 16.04 — procmail — 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-3483-1 Related CVEs: CVE-2017-16844 Upstream summary: Jakub Wilk discovered that the formail tool incorrectly handled certain malformed mail messages. An attacker could use this flaw to cause formail to crash, […]

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

Ubuntu 16.04 — tinyxml — 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-6612-1 Related CVEs: CVE-2023-34194 CVE-2021-42260 Upstream summary: It was discovered that TinyXML incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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

Ubuntu 16.04 — traceroute — 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-6478-1 Related CVEs: CVE-2023-46316 Upstream summary: It was discovered that Traceroute did not properly parse command line arguments. An attacker could possibly use this issue to execute arbitrary commands. Table […]

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

Ubuntu 16.04 — nova-lxd — 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-3195-1 Related CVEs: CVE-2017-5936 https://launchpad.net/bugs/1656847 Upstream summary: James Page discovered that Nova-LXD incorrectly set up virtual network devices when creating LXD instances. This could result in an unintended firewall configuration. […]

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

Ubuntu 16.04 — maradns — 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-6271-1 Related CVEs: CVE-2022-30256 CVE-2023-31137 Upstream summary: Xiang Li discovered that MaraDNS incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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

Ubuntu 16.04 — pngcheck — 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-6182-1 Related CVEs: CVE-2020-27818 CVE-2020-35511 Upstream summary: It was discovered that pngcheck incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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

Ubuntu 16.04 — pixman — 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-5718-2 Related CVEs: CVE-2022-44638 Upstream summary: USN-5718-1 fixed a vulnerability in pixman. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Maddie […]

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Ubuntu 16.04 — gif2apng — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gif2apng — 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-5969-1 Related CVEs: CVE-2021-45909 CVE-2021-45910 CVE-2021-45911 Upstream summary: It was discovered that gif2apng contained multiple heap-base overflows. An attacker could potentially exploit this to cause a denial of service (system […]

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

Ubuntu 16.04 — libzstd — 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-5720-1 Related CVEs: CVE-2021-24031 CVE-2021-24032 CVE-2019-11922 Upstream summary: It was discovered that Zstandard was not properly managing file permissions when generating output files. A local attacker could possibly use this […]

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