PT-2025-21576 · Tornado+10 · Tornado+10
Startr4Ck
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Published
2025-05-15
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Updated
2026-04-06
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CVE-2025-47287
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions:
Tornado versions prior to 6.5.0
Description:
The issue allows remote attackers to generate a high volume of logs, constituting a denial-of-service (DoS) attack, by exploiting Tornado's
multipart/form-data parser when it encounters certain errors. The logging subsystem being synchronous compounds this DoS. The vulnerable parser is enabled by default.Recommendations:
For versions prior to 6.5.0, upgrade to Tornado version 6.5.0 to receive a patch.
As a temporary workaround, consider blocking
Content-Type: multipart/form-data in a proxy to mitigate the risk.Exploit
Fix
DoS
Allocation of Resources Without Limits
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Weakness Enumeration
Related Identifiers
Affected Products
Almalinux
Astra Linux
Centos
Debian
Linuxmint
Red Hat
Red Os
Rocky Linux
Suse
Tornado
Ubuntu