CVE-2026-59295

Description

A flaw was found in Micrometer Instrumentation for Apache HttpAsyncClient. When asynchronous requests fail before receiving a response, such as due to connection resets or timeouts, the system can leak memory unboundedly. This continuous memory leak leads to heap exhaustion and OutOfMemoryError crashes, resulting in a Denial of Service (DoS) for the affected application.

Statement

This Moderate severity flaw impacts Red Hat products utilizing Micrometer-instrumented Apache HttpAsyncClient. The vulnerability can lead to a denial of service due to unbounded memory growth when asynchronous requests fail before a response is received. Exploitation requires specific network conditions or failures, making the attack complexity high.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Understanding the Weakness (CWE)

CWE-772

Availability

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

An attacker that can influence the allocation of resources that are not properly released could deplete the available resource pool and prevent all other processes from accessing the same type of resource. Frequently-affected resources include memory, CPU, disk space, power or battery, etc.

Frequently Asked Questions

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