How many CVEs have patched _block?

1 published CVEs changed _block in python/cpython, in 7 distinct patches totalling 3 changed lines, between 2025 and 2025.

What is the latest CVE that changed _block?

CVE-2025-8194 (Tarfile infinite loop during parsing with negative member offset), published 2025-07-28, changed lines 1618 to 1620 of Lib/tarfile.py.

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

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

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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_block

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Patched Functions
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Cpython
_block

_block in python/cpython: Patched by 1 CVEs

python/cpython

Function

_block

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

Lib/tarfile.py

Last patched July 28, 2025

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

_block in python/cpython was changed by 1 published CVE fixes in 2025, in 7 distinct patches that added or removed 3 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 _block, newest first, with the lines each fix touched.

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

Tarfile infinite loop during parsing with negative member offset
CVE-2025-8194 · lines 1618–1620 · +3 −0
High · CVSS 7.5
EPSS 0.7%2025-07-28

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1makelink_with_filterLib/tarfile.py9 CVEs · 25 patches2025 to 2026
2_get_filtered_attrsLib/tarfile.py7 CVEs · 6 patches2025 to 2026
3extractLib/tarfile.py6 CVEs · 9 patches2025 to 2026
4extractallLib/tarfile.py5 CVEs · 1 patches2025
5_extract_memberLib/tarfile.py5 CVEs · 1 patches2025
6_proc_paxLib/tarfile.py3 CVEs · 20 patches2020 to 2026
7data_filterLib/tarfile.py1 CVEs · 8 patches2024
8_proc_gnusparse_00Lib/tarfile.py1 CVEs · 8 patches2024

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 _block.

How many CVEs have patched _block?: 1 published CVEs changed _block in python/cpython, in 7 distinct patches totalling 3 changed lines, between 2025 and 2025.
What is the latest CVE that changed _block?: CVE-2025-8194 (Tarfile infinite loop during parsing with negative member offset), published 2025-07-28, changed lines 1618 to 1620 of Lib/tarfile.py.
How does _block compare to the rest of python/cpython?: python/cpython has 118 CVEs with a located fix in total; 1 of them changed _block.
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

Lib/tarfile.py on GitHub (opens in a new tab)
All patched functions in python/cpython
Patched functions directory

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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