How many CVEs have patched extract?

6 published CVEs changed extract in python/cpython, in 9 distinct patches totalling 228 changed lines, between 2025 and 2026.

What is the latest CVE that changed extract?

CVE-2026-4360 (Tarfile.extract() doesn't fully respect filter parameter), published 2026-06-30, changed lines 2537 to 2538 of Lib/tarfile.py.

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

python/cpython has 118 CVEs with a located fix in total; 6 of them changed extract.

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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Extract

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Patched Functions
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Extract

extract in python/cpython: Patched by 6 CVEs

python/cpython

Function

extract

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

Lib/tarfile.py

Last patched June 30, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

228

Lines changed

Added plus removed

2025–2026

Years

By CVE publication date

Overview

extract in python/cpython was changed by 6 published CVE fixes between 2025 and 2026, in 9 distinct patches that added or removed 228 lines in total.

python/cpython has 118 CVEs with a located fix in total, so 5% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed extract, 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.extract() doesn't fully respect filter parameter
CVE-2026-4360 · lines 2537–2538 · +2 −1
Low · CVSS 2.0
EPSS 0.5%2026-06-30
Bypass extraction filter to modify file metadata outside extraction directory
CVE-2024-12718 · lines 2473–2522 · +30 −15
Medium · CVSS 5.3
EPSS 0.8%2025-06-03
Tarfile extracts filtered members when errorlevel=0
CVE-2025-4435 · lines 2473–2522 · +30 −15
High · CVSS 7.5
EPSS 0.6%2025-06-03
Bypassing extraction filter to create symlinks to arbitrary targets outside extraction directory
CVE-2025-4138 · lines 2473–2522 · +30 −15
High · CVSS 7.5
EPSS 1.4%2025-06-03
Extraction filter bypass for linking outside extraction directory
CVE-2025-4330 · lines 2473–2522 · +30 −15
High · CVSS 7.5
EPSS 0.9%2025-06-03
Arbitrary writes via tarfile realpath overflow
CVE-2025-4517 · lines 2473–2522 · +30 −15
Critical · CVSS 9.4
EPSS 1.4%2025-06-03

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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
3_extract_memberLib/tarfile.py5 CVEs · 1 patches2025
4extractallLib/tarfile.py5 CVEs · 1 patches2025
5_proc_paxLib/tarfile.py3 CVEs · 20 patches2020 to 2026
6_proc_gnusparse_00Lib/tarfile.py1 CVEs · 8 patches2024
7data_filterLib/tarfile.py1 CVEs · 8 patches2024
8_blockLib/tarfile.py1 CVEs · 7 patches2025

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 _get_sep5 CVEs · Lib/posixpath.py _readlink_deep5 CVEs · Lib/ntpath.py _get_bothseps5 CVEs · Lib/ntpath.py realpath5 CVEs · Lib/ntpath.py

All patched functions in python/cpython

Frequently asked questions

Common questions about CVE fixes to extract.

How many CVEs have patched extract?: 6 published CVEs changed extract in python/cpython, in 9 distinct patches totalling 228 changed lines, between 2025 and 2026.
What is the latest CVE that changed extract?: CVE-2026-4360 (Tarfile.extract() doesn't fully respect filter parameter), published 2026-06-30, changed lines 2537 to 2538 of Lib/tarfile.py.
How does extract compare to the rest of python/cpython?: python/cpython has 118 CVEs with a located fix in total; 6 of them changed extract.
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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