How many CVEs have patched _check_sslobject_params?

1 published CVEs changed _check_sslobject_params in python/cpython, in 4 distinct patches totalling 14 changed lines, between 2026 and 2026.

What is the latest CVE that changed _check_sslobject_params?

CVE-2026-19553 (SSLContext.wrap_bio() missing validation of server_hostname parameter), published 2026-09-30, changed lines 377 to 390 of Lib/ssl.py.

How does _check_sslobject_params compare to the rest of python/cpython?

python/cpython has 118 CVEs with a located fix in total; 1 of them changed _check_sslobject_params.

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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python/cpython

Function

_check_sslobject_params

Name: _check_sslobject_params in python/cpython: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Lib/ssl.py

Last patched September 30, 2026

1

CVEs

That changed this function

4

Distinct patches

Backports counted once

14

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

_check_sslobject_params in python/cpython was changed by 1 published CVE fixes in 2026, in 4 distinct patches that added or removed 14 lines in total.

python/cpython has 118 CVEs with a located fix in total, so 1% of them touched this function.

CVEs that patched it

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

SSLContext.wrap_bio() missing validation of server_hostname parameter
CVE-2026-19553 · lines 377–390 · +14 −0
High · CVSS 7.6
EPSS 0.4%2026-09-30

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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 python/cpython changed by the most CVE fixes.

makelink_with_filter9 CVEs · Lib/tarfile.py _get_filtered_attrs7 CVEs · Lib/tarfile.py extract6 CVEs · Lib/tarfile.py _get_sep5 CVEs · Lib/posixpath.py _readlink_deep5 CVEs · Lib/ntpath.py _get_bothseps5 CVEs · Lib/ntpath.py

All patched functions in python/cpython

Frequently asked questions

Common questions about CVE fixes to _check_sslobject_params.

How many CVEs have patched _check_sslobject_params?: 1 published CVEs changed _check_sslobject_params in python/cpython, in 4 distinct patches totalling 14 changed lines, between 2026 and 2026.
What is the latest CVE that changed _check_sslobject_params?: CVE-2026-19553 (SSLContext.wrap_bio() missing validation of server_hostname parameter), published 2026-09-30, changed lines 377 to 390 of Lib/ssl.py.
How does _check_sslobject_params compare to the rest of python/cpython?: python/cpython has 118 CVEs with a located fix in total; 1 of them changed _check_sslobject_params.
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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