CVE-2024-52804
Tornado has an HTTP cookie parsing DoS vulnerability
7.5
HIGH
CVSS 3.1
EPSS 0.15%
Description
Tornado is a Python web framework and asynchronous networking library. The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes has quadratic complexity, leading to excessive CPU consumption when parsing maliciously-crafted cookie headers. This parsing occurs in the event loop thread and may block the processing of other requests. Version 6.4.2 fixes the issue.
How to fix CVE-2024-52804
To remediate CVE-2024-52804, upgrade the affected package to a fixed version below.
- —upgrade to 6.1.0-1+deb11u1 or later
- —upgrade to 6.4.2 or later
Is CVE-2024-52804 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.1.0-1+deb11u1
- from 0, < 6.4.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |