{"id":"CVE-2025-47712","title":"A flaw exists in the nbdkit \"blocksize\" filter that can be triggered by a specific type of client request","summary":"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 erro…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-190"],"vendor":"nbdkit_project","product":"nbdkit","affected":["nbdkit"],"published":"2025-06-09","updated":"2026-06-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-47712","references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-47712","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2365724","label":"secalert@redhat.com"},{"url":"https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/","label":"secalert@redhat.com"}],"tags":["nvd"],"epss":0.00479,"epssPercentile":0.40484,"ingestedAt":"2026-06-29T13:24:34.353Z","slug":"CVE-2025-47712","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `nbdkit`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}