{"id":"CVE-2023-6337","summary":"Vault May be Vulnerable to a Denial of Service Through Memory Exhaustion When Handling Large HTTP Requests","details":"HashiCorp Vault and Vault Enterprise 1.12.0 and newer are vulnerable to a denial of service through memory exhaustion of the host when handling large unauthenticated and authenticated HTTP requests from a client. Vault will attempt to map the request to memory, resulting in the exhaustion of available memory on the host, which may cause Vault to crash.\n\nFixed in Vault 1.15.4, 1.14.8, 1.13.12.","aliases":["BIT-vault-2023-6337","GHSA-6p62-6cg9-f5f5","GO-2023-2399"],"modified":"2026-08-12T03:51:22.656801370Z","published":"2023-12-08T21:12:31.712Z","database_specific":{"cna_assigner":"HashiCorp","cwe_ids":["CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6337.json"},"references":[{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-http-requests/60741"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6337.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-6337"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240112-0006/"},{"type":"PACKAGE","url":"https://github.com/hashicorp/vault"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/hashicorp/vault","events":[{"introduced":"558abfa75702b5dab4c98e86b802fb9aef43b0eb"},{"fixed":"9b61934559ba31150860e618cf18e816cbddc630"}],"database_specific":{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"1.12.0"},{"fixed":"1.15.4"}]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-6337.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}