Nbdkit Project Nbdkit vulnerabilities

CVE-2025-47712 [MEDIUM] CVE-2025-47712: A flaw exists in the nbdkit "blocksize" filter that can be triggered by a specific type of client request 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.

CVE-2025-47711 [MEDIUM] CVE-2025-47711: There's a flaw in the nbdkit server when handling responses from its plugins regarding the status of data blocks 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, the nbdkit server can encounter a critical internal error, leading to a denial-of-service.

CVE-2021-3716 [LOW] CWE-924 CVE-2021-3716: A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encrypti A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBD_OPT_STRUCTURED_REPLY before proxying everything else a client sends to the server, potentially leading the client to terminate the NBD session. The highest threat from this vulnerab

CVE-2019-14851 [MEDIUM] CWE-617 CVE-2019-14851: A denial of service vulnerability was discovered in nbdkit. A client issuing a certain sequence of c A denial of service vulnerability was discovered in nbdkit. A client issuing a certain sequence of commands could possibly trigger an assertion failure, causing nbdkit to exit. This issue only affected nbdkit versions 1.12.7, 1.14.1, and 1.15.1.

CVE-2019-14850 [LOW] CWE-406 CVE-2019-14850: A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker co A denial of service vulnerability was discovered in nbdkit 1.12.7, 1.14.1 and 1.15.1. An attacker could connect to the nbdkit service and cause it to perform a large amount of work in initializing backend plugins, by simply opening a connection to the service. This vulnerability could cause resource consumption and degradation of service in nbdkit, dep