https://vulnerability.cert.dk/rss/recent/all/10 Most recent entries from all 2025-08-25T20:06:07.708908+00:00 Vulnerability-Lookup cert@cert.dk python-feedgen Contains only the most 10 recent entries. https://vulnerability.cert.dk/vuln/cve-2021-21434 cve-2021-21434 2025-08-25T20:06:07.716333+00:00