CVE-2024-58384 Tornado before 6.4.1 CRLF Injection via CurlAsyncHTTPClient
Attackers can inject CRLF sequences into HTTP headers via CurlAsyncHTTPClient to manipulate requests or inject arbitrary headers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-58384?
CVE-2024-58384 is a medium-severity vulnerability in tornadoweb tornado, published on 15 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tornado before 6.4.1 contains a CRLF injection vulnerability in CurlAsyncHTTPClient that fails to reject carriage return and line feed characters in request headers. Attackers can inject CRLF sequences into header values to inject arbitrary headers or construct entirely new HTTP requests.
Weakness: CWE-113
Which versions are affected by CVE-2024-58384?
2 open source packages ship an affected version, including tornado.
| Package | Affected | Fixed in |
|---|---|---|
tornado PyPI | All versions | 6.4.1 |
tornado PyPI | All versions | 6.4.1 |
How do I fix CVE-2024-58384?
Upgrade tornado to 6.4.1 or later.
Is CVE-2024-58384 being exploited?
There is no known exploitation of CVE-2024-58384 in the wild and no public exploit code.
Sources
Also known as AZL-103104, DEBIAN-CVE-2024-58384, ECHO-9a82-341f-f71d, GHSA-qf37-5gqv-7f3m, GHSA-w235-7p84-xx57, ROOT-APP-PYPI-GHSA-w235-7p84-xx57 and 1 more.