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CVE-2025-69227
Good to know:
Date: January 5, 2026
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below allow for an infinite loop to occur when assert statements are bypassed, resulting in a DoS attack when processing a POST body. If optimizations are enabled (-O or PYTHONOPTIMIZE=1), and the application includes a handler that uses the Request.post() method, then an attacker may be able to execute a DoS attack with a specially crafted message. This issue is fixed in version 3.13.3.
Severity Score
Related Resources (5)
Severity Score
Weakness Type (CWE)
Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-835Top Fix
Upgrade Version
Upgrade to version aiohttp - 3.13.3;https://github.com/aio-libs/aiohttp.git - v3.13.3
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |