https://vulnerability.cert.dk/rss/recent/all/10 Most recent entries from all 2025-08-22T18:11:40.296667+00:00 Vulnerability-Lookup cert@cert.dk python-feedgen Contains only the most 10 recent entries. https://vulnerability.cert.dk/vuln/cve-2021-22721 cve-2021-22721 2025-08-22T18:11:40.303911+00:00