CVE-2025-4435
June 03, 2025
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.
Affected Packages
https://github.com/python/cpython.git (GITHUB):
Affected version(s) >=v3.11.0 <v3.11.13Fix Suggestion:
Update to version v3.11.13https://github.com/python/cpython.git (GITHUB):
Affected version(s) >=v3.10.0 <v3.10.18Fix Suggestion:
Update to version v3.10.18https://github.com/python/cpython.git (GITHUB):
Affected version(s) >=v3.12.0 <v3.12.11Fix Suggestion:
Update to version v3.12.11https://github.com/python/cpython.git (GITHUB):
Affected version(s) >=v3.13.0 <v3.13.4Fix Suggestion:
Update to version v3.13.4https://github.com/python/cpython.git (GITHUB):
Affected version(s) >=v0.9.8 <v3.9.23Fix Suggestion:
Update to version v3.9.23Related Resources (11)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Incorrect Calculation
EPSS
Base Score:
0.15
