Ubuntu 16.04 — dns-root-data — 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-3715-1 Related CVEs: https://launchpad.net/bugs/1721129 Upstream summary: This update adds the latest DNSSEC validation trust anchor required for the upcoming Root Zone KSK Rollover and refreshes the list of root hints. […]