CVE-2023-6337CWE-770

Vault May be Vulnerable to a Denial of Service Through Memory Exhaustion When Handling Large HTTP Requests

High · published December 8, 2023

CVSS v3.1
7.5
EPSS
1%
Percentile
55.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00792 · 55.9th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2023-12-08T21:12Z
EPSS history
Timeline
  • 08 DEC 21:12Z
    Vault May be Vulnerable to a Denial of Service Through Memory Exhaustion When Handling Large HTTP Requests
    cvelistv5