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CVE-2025-4435

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CVE-2025-4435

Published: Jun 3, 2025

Modified: Apr 21, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

Description

When using a TarFile.errorlevel = 0 and extracting with a filter the documented behavior is that any filtered members would be skipped and not extracted. However the actual behavior of TarFile.errorlevel = 0 in affected versions is that the member would still be extracted and not skipped.

VendorProductVersions

Python Software Foundation

CPython

affected
0 - < 3.10.18
affected
3.11.0 - < 3.11.13
affected
3.12.0 - < 3.12.11
affected
3.13.0 - < 3.13.4
affected
3.14.0a1 - < 3.14.0b3

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

References

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