How many CVEs have patched parse_body_arguments?

3 published CVEs changed parse_body_arguments in tornadoweb/tornado, in 4 distinct patches totalling 32 changed lines, between 2025 and 2026.

What is the latest CVE that changed parse_body_arguments?

CVE-2026-82397 (Tornado: Urlencoded body parsing omits max_num_fields, so one request can stall the event loop), published 2026-08-31, changed lines 1038 to 1042 of tornado/httputil.py.

How does parse_body_arguments compare to the rest of tornadoweb/tornado?

tornadoweb/tornado has 16 CVEs with a located fix in total; 3 of them changed parse_body_arguments.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

RadicalNotion.AI

Log in Create an account

tornadoweb/tornado

Function

parse_body_arguments

Name: parse_body_arguments in tornadoweb/tornado: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

tornado/httputil.py

Last patched August 31, 2026

3

CVEs

That changed this function

4

Distinct patches

Backports counted once

32

Lines changed

Added plus removed

2025–2026

Years

By CVE publication date

Overview

parse_body_arguments in tornadoweb/tornado was changed by 3 published CVE fixes between 2025 and 2026, in 4 distinct patches that added or removed 32 lines in total.

tornadoweb/tornado has 16 CVEs with a located fix in total, so 19% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed parse_body_arguments, newest first, with the lines each fix touched.

Tornado: Urlencoded body parsing omits max_num_fields, so one request can stall the event loop
CVE-2026-82397 · lines 1038–1042 · +5 −1
High · CVSS 7.5
EPSS 0.3%2026-08-31
Tornado has a DoS due to too many multipart parts
CVE-2026-31958 · lines 1010–1040 · +8 −1 in 2 hunks
High · CVSS 8.7
EPSS 0.5%2026-03-11
Tornado vulnerable to excessive logging caused by malformed multipart form data
CVE-2025-47287 · lines 886–912 · +7 −10 in 2 hunks
High · CVSS 7.5
EPSS 0.7%2025-05-15

Get an alert when the next CVE fix lands in tornadoweb/tornado, with the patched functions.

Monitor tornado CVEs

Other functions in these files

Functions in the same file that CVE fixes also changed.

Other hotspots in the repository

Functions in tornadoweb/tornado changed by the most CVE fixes.

_websocket_mask_python4 CVEs · tornado/util.py parse_multipart_form_data3 CVEs · tornado/httputil.py close3 CVEs · tornado/curl_httpclient.py initialize3 CVEs · tornado/curl_httpclient.py ioctl3 CVEs · tornado/curl_httpclient.py _handle_force_timeout3 CVEs · tornado/curl_httpclient.py

All patched functions in tornadoweb/tornado

Frequently asked questions

Common questions about CVE fixes to parse_body_arguments.

How many CVEs have patched parse_body_arguments?: 3 published CVEs changed parse_body_arguments in tornadoweb/tornado, in 4 distinct patches totalling 32 changed lines, between 2025 and 2026.
What is the latest CVE that changed parse_body_arguments?: CVE-2026-82397 (Tornado: Urlencoded body parsing omits max_num_fields, so one request can stall the event loop), published 2026-08-31, changed lines 1038 to 1042 of tornado/httputil.py.
How does parse_body_arguments compare to the rest of tornadoweb/tornado?: tornadoweb/tornado has 16 CVEs with a located fix in total; 3 of them changed parse_body_arguments.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

Track tornadoweb/tornado CVEs

Get an alert when a new CVE lands in this repository, with the patched functions and AI-written remediation guidance.

Create an account See pricing