Memory Exhaustion Vulnerability in AIOHTTP Framework by aio-libs

CVE-2025-69228

What is CVE-2025-69228?

CVE-2025-69228 is a memory exhaustion vulnerability affecting the AIOHTTP framework, which is utilized for building asynchronous HTTP servers and clients in Python applications. This framework is widely adopted for its performance benefits in handling web requests. The vulnerability arises from a flaw in the handling of requests, particularly when utilizing the Request.post() method. Attackers can exploit this vulnerability by sending specially crafted requests that cause an AIOHTTP server to consume excessive memory, resulting in server instability and potential outages. Organizations relying on AIOHTTP for web services face serious operational risks, as the ability to handle requests efficiently is critical for maintaining service availability and user experience. The vulnerability has been addressed in version 3.13.3 of the framework.

Potential impact of CVE-2025-69228

1. Service Downtime: Exploiting this vulnerability may lead to a denial of service, causing the server to become unresponsive or crash due to memory exhaustion. This downtime can directly affect users and impact business operations, leading to loss of revenue and customer trust.

2. Increased Operational Costs: Organizations may incur additional costs for incident response and remediation efforts, including restoring services, assessing the impact, and implementing security measures to prevent future occurrences.

3. Reputational Damage: Frequent service disruptions can tarnish an organization's reputation, making users wary of reliability and security. This can also lead to increased scrutiny from stakeholders and a potential loss of customer base.

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