CVE-2023-6337
highpriority · track · 30EPSS 0.008 · 56 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (19)
Products and version ranges known to be affected.
advisories (4)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-3088Hashicorp Vault: Schwachstelle ermöglicht Denial of ServiceDeutsch2023-12-10csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Hashicorp Vault ausnutzen, um einen Denial of Service Angriff durchzuführen.
- GHSA-6p62-6cg9-f5f5Memory exhaustion in HashiCorp Vault2023-12-09ghsa · osvUS
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.
- BIT-vault-2023-6337Vault May be Vulnerable to a Denial of Service Through Memory Exhaustion When Handling Large HTTP Requests2024-03-06vendor · osvUS
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.
- GO-2023-2399Denial of service via memory exhaustion in github.com/hashicorp/vault2024-01-03vendor · osvUS
Unauthenticated and authenticated HTTP requests from a client will be attempted to be mapped to memory. Large requests may result in the exhaustion of available memory on the host, which may cause crashes and denial of service.
also known as (7)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2023-6337cnnvd
- https://cxsecurity.com/cveshow/CVE-2023-6337/cnnvd
- https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-cnnvd
- https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-http-requests/60741Patchcnnvd
- https://security.netapp.com/advisory/ntap-20240112-0006/cnnvd
- https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-http-requests/60741enisa_euvd
- https://security.netapp.com/advisory/ntap-20240112-0006/enisa_euvd
- https://discuss.hashicorp.com/t/hcsec-2023-34-vault-vulnerable-to-denial-of-service-through-memory-exhaustion-when-handling-large-http-requests/60741Vendor Advisorynvd
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