{"id":"DEBIAN-CVE-2025-47712","details":"A flaw exists in the nbdkit \"blocksize\" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.","modified":"2026-09-01T20:05:52.974804365Z","published":"2025-06-09T06:15:25.537Z","upstream":["CVE-2025-47712"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-47712"}],"affected":[{"package":{"name":"nbdkit","ecosystem":"Debian:12","purl":"pkg:deb/debian/nbdkit?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.32.5-1","1.34.0-1","1.34.1-1","1.34.2-1","1.34.2-10","1.34.2-2","1.34.2-3","1.34.2-4","1.34.2-5","1.34.2-6","1.34.2-7","1.34.2-8","1.34.2-9","1.34.3-1","1.34.4-1","1.36.0-1","1.36.1-1","1.36.2-1","1.36.3-1","1.38.0-1","1.38.1-1","1.38.2-1","1.38.2-2","1.38.3-1","1.40.0-1","1.40.2-1","1.40.2-2","1.40.3-1","1.40.4-1","1.40.4-10","1.40.4-11","1.40.4-2","1.40.4-3","1.40.4-4","1.40.4-5","1.40.4-6","1.40.4-7","1.40.4-8","1.40.4-9","1.40.5-1","1.42.0-1","1.42.1-1","1.42.2-1","1.42.3-1","1.42.4-1","1.42.6-1","1.42.9-1","1.46.2-1","1.46.2-2","1.46.2-3","1.46.2-4","1.46.2-5","1.46.2-6","1.46.2-7","1.48.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-47712.json"}},{"package":{"name":"nbdkit","ecosystem":"Debian:13","purl":"pkg:deb/debian/nbdkit?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.42.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-47712.json"}},{"package":{"name":"nbdkit","ecosystem":"Debian:14","purl":"pkg:deb/debian/nbdkit?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.42.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-47712.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}