Vulnerability DatabaseCVE-2025-6075
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CVE-2025-6075
October 31, 2025
If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.
Affected Packages
https://github.com/python/cpython.git (GITHUB):
Affected version(s) >=v3.9.0 <v3.9.25
Fix Suggestion:
Update to version v3.9.25
Related Resources (9)
https://github.com/python/cpython/commit/5dceb93486176e6b4a6d9754491005113eb23427
https://github.com/python/cpython/commit/c8a5f3435c342964e0a432cc9fb448b7dbecd1ba
https://github.com/python/cpython/commit/f029e8db626ddc6e3a3beea4eff511a71aaceb5c
https://github.com/python/cpython/commit/892747b4cf0f95ba8beb51c0d0658bfaa381ebca
https://github.com/python/cpython/commit/2e6150adccaaf5bd95d4c19dfd04a36e0b325d8c
https://github.com/python/cpython/commit/9ab89c026aa9611c4b0b67c288b8303a480fe742
https://github.com/python/cpython/issues/136065
https://mail.python.org/archives/list/security-announce@python.org/thread/IUP5QJ6D4KK6ULHOMPC7DPNKRYQTQNLA/
https://github.com/python/cpython/commit/631ba3407e3348ccd56ce5160c4fb2c5dc5f4d84
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CVSS v4
Base Score:
1.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
Uncontrolled Resource Consumption
CWE-400
EPSS
Base Score:
0.03