The Quarterly Threat Landscape Report is out. See what attackers are targeting now.Read report
AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. In versions 3.13.2 and below, handling of chunked messages can result in excessive blocking CPU usage when receiving a large number of chunks. If an application makes use of the request.read() method in an endpoint, it may be possible for an attacker to cause the server to spend a moderate amount of blocking CPU time (e.g. 1 second) while processing the request. This could potentially lead to DoS as the server would be unable to handle other requests during that time. This issue is fixed in version 3.13.3.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade py3-aiohttp | Jan 13, 2026 | Jan 5, 2026 |
| Debian | — | Upgrade python-aiohttp | Jun 2, 2026 | Jun 2, 2026 |
| Splunk | — | Upgrade Splunk Enterprise to version 10.2.1Upgrade Splunk Enterprise to version 9.4.9Upgrade Splunk Enterprise to version 10.0.4Upgrade Splunk Enterprise to version 9.3.10 | Jul 30, 2026 | Jan 5, 2026 |
| Ubuntu | — | Upgrade python3-aiohttp (Ubuntu Pro)Upgrade python3-aiohttp | Feb 17, 2026 | Jan 6, 2026 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub