{"cve":"CVE-2023-6337","nvd":{"published":"2023-12-08T22:15:07.713","modified":"2026-06-17T06:50:33.590","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-770"],"references":["https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-http-requests/60741","https://security.netapp.com/advisory/ntap-20240112-0006/","https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-http-requests/60741","https://security.netapp.com/advisory/ntap-20240112-0006/"],"products":["hashicorp:vault"],"source":"nvd","synced_at":"2026-10-19T21:42:34.585441961+00:00"},"epss":{"cve":"CVE-2023-6337","score":0.00792,"percentile":0.56325,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6p62-6cg9-f5f5","url":"https://osv.dev/vulnerability/GHSA-6p62-6cg9-f5f5","summary":"Memory exhaustion in HashiCorp Vault","modified":"2025-02-13T19:28:18Z","packages":[{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=1.15.0 <1.15.4"],"fixed":["1.15.4"]},{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=1.14.0 <1.14.8"],"fixed":["1.14.8"]},{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=1.12.0 <1.13.12"],"fixed":["1.13.12"]}]},{"id":"GO-2023-2399","url":"https://osv.dev/vulnerability/GO-2023-2399","summary":"Denial of service via memory exhaustion in github.com/hashicorp/vault","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"github.com/hashicorp/vault","purl":"pkg:golang/github.com/hashicorp/vault","ranges":[">=1.12.0 <1.13.12",">=1.14.0 <1.14.8",">=1.15.0 <1.15.4"],"fixed":["1.13.12","1.14.8","1.15.4"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}