{"id":"CVE-2025-47711","title":"There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks","summary":"There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks. If a client makes a specific request for a very large data range, and a plugin responds with an even larger single block, t…","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-193"],"vendor":"nbdkit_project","product":"nbdkit","affected":["nbdkit","enterprise_linux = 7.0","enterprise_linux = 8.0","enterprise_linux = 9.0","enterprise_linux = 10.0","enterprise_linux_advanced_virtualization = 8.0"],"published":"2025-06-09","updated":"2026-06-26","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-47711","references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-47711","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2365687","label":"secalert@redhat.com"},{"url":"https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/","label":"secalert@redhat.com"}],"tags":["nvd"],"epss":0.00453,"epssPercentile":0.3871,"ingestedAt":"2026-06-26T16:43:13.605Z","slug":"CVE-2025-47711","body":"## Overview\n\nThere's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks. If a client makes a specific request for a very large data range, and a plugin responds with an even larger single block, the nbdkit server can encounter a critical internal error, leading to a denial-of-service.\n\n## Affected\n\n- `nbdkit`\n- `enterprise_linux = 7.0`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n- `enterprise_linux = 10.0`\n- `enterprise_linux_advanced_virtualization = 8.0`\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":[]}