How many CVEs have patched parse_response_start_line?

2 published CVEs changed parse_response_start_line in tornadoweb/tornado, in 1 distinct patches totalling 58 changed lines, between 2025 and 2025.

What is the latest CVE that changed parse_response_start_line?

CVE-2025-67726 (Tornado is Vulnerable to Quadratic DoS via Crafted Multipart Parameters), published 2025-12-12, changed lines 1097 to 1124 of tornado/httputil.py.

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

tornadoweb/tornado has 16 CVEs with a located fix in total; 2 of them changed parse_response_start_line.

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.

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tornadoweb/tornado

Function

parse_response_start_line

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

tornado/httputil.py

Last patched December 12, 2025

2

CVEs

That changed this function

1

Distinct patches

Backports counted once

58

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

parse_response_start_line in tornadoweb/tornado was changed by 2 published CVE fixes in 2025, in 1 distinct patches that added or removed 58 lines in total.

tornadoweb/tornado has 16 CVEs with a located fix in total, so 13% of them touched this function.

CVEs that patched it

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

Tornado is Vulnerable to Quadratic DoS via Crafted Multipart Parameters
CVE-2025-67726 · lines 1097–1124 · +22 −7
High · CVSS 7.5
EPSS 0.5%2025-12-12
Tornado is Vulnerable to Quadratic DoS via Repeated Header Coalescing
CVE-2025-67725 · lines 1097–1124 · +22 −7
High · CVSS 7.5
EPSS 0.6%2025-12-12

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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_body_arguments3 CVEs · tornado/httputil.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

All patched functions in tornadoweb/tornado

Frequently asked questions

Common questions about CVE fixes to parse_response_start_line.

How many CVEs have patched parse_response_start_line?: 2 published CVEs changed parse_response_start_line in tornadoweb/tornado, in 1 distinct patches totalling 58 changed lines, between 2025 and 2025.
What is the latest CVE that changed parse_response_start_line?: CVE-2025-67726 (Tornado is Vulnerable to Quadratic DoS via Crafted Multipart Parameters), published 2025-12-12, changed lines 1097 to 1124 of tornado/httputil.py.
How does parse_response_start_line compare to the rest of tornadoweb/tornado?: tornadoweb/tornado has 16 CVEs with a located fix in total; 2 of them changed parse_response_start_line.
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.

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