How many CVEs have patched PyInit_speedups?

3 published CVEs changed PyInit_speedups in tornadoweb/tornado, in 2 distinct patches totalling 54 changed lines, between 2026 and 2026.

What is the latest CVE that changed PyInit_speedups?

CVE-2026-49855 (tornado AsyncHTTPClient accumulates decompressed chunks without size limit (gzip bomb)), published 2026-07-14, changed lines 84 to 97 of tornado/speedups.c.

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

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

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

PyInit_speedups

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

tornado/speedups.c

Last patched July 14, 2026

3

CVEs

That changed this function

2

Distinct patches

Backports counted once

54

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

PyInit_speedups in tornadoweb/tornado was changed by 3 published CVE fixes in 2026, in 2 distinct patches that added or removed 54 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 PyInit_speedups, newest first, with the lines each fix touched.

tornado AsyncHTTPClient accumulates decompressed chunks without size limit (gzip bomb)
CVE-2026-49855 · lines 84–97 · +9 −9
High · CVSS 7.5
EPSS 0.6%2026-07-14
Tornado: Out-of-bounds memory access in C extension
CVE-2026-49854 · lines 84–97 · +9 −9
Medium · CVSS 5.3
EPSS 0.4%2026-07-14
Tornado: Authorization header forwarded across cross-origin redirects in SimpleAsyncHTTPClient
CVE-2026-49853 · lines 84–97 · +9 −9
High · CVSS 7.7
EPSS 0.5%2026-07-14

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1websocket_masktornado/speedups.c3 CVEs · 2 patches2026

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 PyInit_speedups.

How many CVEs have patched PyInit_speedups?: 3 published CVEs changed PyInit_speedups in tornadoweb/tornado, in 2 distinct patches totalling 54 changed lines, between 2026 and 2026.
What is the latest CVE that changed PyInit_speedups?: CVE-2026-49855 (tornado AsyncHTTPClient accumulates decompressed chunks without size limit (gzip bomb)), published 2026-07-14, changed lines 84 to 97 of tornado/speedups.c.
How does PyInit_speedups compare to the rest of tornadoweb/tornado?: tornadoweb/tornado has 16 CVEs with a located fix in total; 3 of them changed PyInit_speedups.
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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