https://vulnerability.cert.dk/rss/recent/all/10 Most recent entries from all 2025-08-20T07:00:00.271353+00:00 Vulnerability-Lookup cert@cert.dk python-feedgen Contains only the most 10 recent entries. https://vulnerability.cert.dk/vuln/cve-2021-36221 cve-2021-36221 2025-08-20T07:00:00.279812+00:00