CVE-2024-52804 (GCVE-0-2024-52804)

Vulnerability from cvelistv5 – Published: 2024-11-22 15:43 – Updated: 2025-11-03 22:28
VLAI
Title
Tornado has HTTP cookie parsing DoS vulnerability
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-25 17:54 UTC
CWE
  • CWE-400 - Uncontrolled Resource Consumption
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version CPE status
tornadoweb tornado Affected: < 6.4.2
guessed Create a notification for this product.
tornadoweb tornado Affected: 0 , < 6.4.2 (custom)
    cpe:2.3:a:tornadoweb:tornado:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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