CVE-2023-6337

    Dashboard / Vulnerabilities / CVE-2023-6337

    CVE-2023-6337

    Published: 8 Dec 2023Last Modified: 28 Oct 2026

    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. Fixed in Vault 1.15.4, 1.14.8, 1.13.12.

    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://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6337.json, https://nvd.nist.gov/vuln/detail/CVE-2023-6337, https://security.netapp.com/advisory/ntap-20240112-0006/, https://github.com/hashicorp/vault

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 558abfa75702b5dab4c98e86b802fb9aef43b0eb
    Fixed -446f213c47cabf47d52d065647ef666ce4bf8692

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High