Denial Of Service (DoS)

Tornado is vulnerable to a Denial Of Service DoS. The vulnerability is due to Tornado’s multipart/form-data parser continuing to process data after encountering errors, allows an attacker to generate excessive synchronous logging...

CVE-2025-47287

Tornado is a Python web framework and asynchronous networking library. When Tornado's "multipart/form-data" parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs,...

CVE-2025-47287: Allocation of Resources Without Limits or Throttling

Tornado is a Python web framework and asynchronous networking library. When Tornado's multipart/form-data parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs,...