CVE-2025-11374
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-28

Last updated on: 2025-12-22

Assigner: HashiCorp Inc.

Description
Consul and Consul Enterprise’s (“Consul”) key/value endpoint is vulnerable to denial of service (DoS) due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.
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Meta Information
Published
2025-10-28
Last Modified
2025-12-22
Generated
2026-05-07
AI Q&A
2025-10-28
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
hashicorp consul to 1.18.12 (exc)
hashicorp consul to 1.22.0 (exc)
hashicorp consul From 1.19.0 (inc) to 1.20.8 (exc)
hashicorp consul From 1.21.0 (inc) to 1.21.6 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability in Consul and Consul Enterprise involves the key/value endpoint improperly validating the Content Length header, which can be exploited to cause a denial of service (DoS).


How can this vulnerability impact me? :

The vulnerability can lead to a denial of service (DoS) condition, making the affected Consul service unavailable or unresponsive, potentially disrupting operations that depend on it.


What immediate steps should I take to mitigate this vulnerability?

Upgrade Consul Community Edition to version 1.22.0 or later, or Consul Enterprise to versions 1.22.0, 1.21.6, 1.20.8, or 1.18.12 or later, as these versions contain the fix for this vulnerability.


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