Vulnerability · Published Sep 15, 2026 · Assigned by VulnCheck
CVE-2024-58384Tornado before 6.4.1 CRLF Injection via CurlAsyncHTTPClient
Medium 5.4
In plain English
A medium-severity security flaw in tornado from tornadoweb. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 83.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | python-tornado | no fix listed | DEBIAN-CVE-2024-58384 |
| Debian:13 | python-tornado | 6.4.1-1 | DEBIAN-CVE-2024-58384 |
| Debian:14 | python-tornado | 6.4.1-1 | DEBIAN-CVE-2024-58384 |
| PyPI | tornado | 6.4.1 | GHSA-w235-7p84-xx57 |
| Ubuntu:24.04:LTS | python-tornado | no fix listed | UBUNTU-CVE-2024-58384 |
| Ubuntu:26.04:LTS | python-tornado | no fix listed | UBUNTU-CVE-2024-58384 |
| Ubuntu:26.10 | python-tornado | no fix listed | UBUNTU-CVE-2024-58384 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| tornadoweb | tornado | 0 – before 6.4.1 |
Weakness: CWE-113 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
References
- GitHub Security Advisory (GHSA-w235-7p84-xx57) vendor-advisory
- VulnCheck Advisory: Tornado before 6.4.1 CRLF Injection via CurlAsyncHTTPClient third-party-advisory