CVE-2026-19015

Description

A flaw was found in Consul. A remote attacker can exploit an uncontrolled resource consumption vulnerability in the Connect CA roots endpoint. This allows the attacker to continuously grow the agent's Connect CA roots cache, bypassing configured cache limits. The consequence is a denial of service (DoS) due to excessive memory usage, impacting the availability of the service.

Statement

Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references.

Understanding the Weakness (CWE)

Availability

Technical Impact: DoS: Resource Consumption (CPU); DoS: Resource Consumption (Memory); DoS: Resource Consumption (Other)

When allocating resources without limits, an attacker could prevent other systems, applications, or processes from accessing the same type of resource. It can be easy for an attacker to consume many resources by rapidly making many requests or causing larger resources to be used than is needed.

Frequently Asked Questions

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