CVE-2022-33124 Denial of service in n/a
AIOHTTP may raise an unhandled ValueError for invalid IPv6 URLs, potentially causing a denial of service in applications lacking exception handling.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-33124?
CVE-2022-33124 is a medium-severity denial of service vulnerability in n/a, published on 22 Jun 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
AIOHTTP 3.8.1 can report a "ValueError: Invalid IPv6 URL" outcome, which can lead to a Denial of Service (DoS). NOTE: multiple third parties dispute this issue because there is no example of a context in which denial of service would occur, and many common contexts have exception handing in the calling application
Which versions are affected by CVE-2022-33124?
It affects 1 product.
Products include Aiohttp Aiohttp.
How do I fix CVE-2022-33124?
No fix has been published for CVE-2022-33124 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2022-33124 being exploited?
There is no known exploitation of CVE-2022-33124 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2024-52303 aiohttp memory leak when middleware is enabled when requesting a resource with a non-allowed method
- CVE-2025-69223 AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb
- CVE-2024-30251 Denial of service when trying to parse malformed POST requests in aiohttp
- CVE-2023-49081 aiohttp's ClientSession is vulnerable to CRLF injection via version
- CVE-2026-22815 AIOHTTP: Uncapped memory usage possible through aiohttp allowing unlimited trailer headers