openSUSE Tumbleweed — ntpsec — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-4012 CVE-2021-22212 CVE-2019-6442 CVE-2019-6443 CVE-2019-6445 Upstream summary: ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request […]