CVE-2025-6075

If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/python/cpython/commit/2e6150adccaaf5bd95d4c19dfd04a36e0b325d8c	Patch
https://github.com/python/cpython/commit/5dceb93486176e6b4a6d9754491005113eb23427	Patch
https://github.com/python/cpython/commit/631ba3407e3348ccd56ce5160c4fb2c5dc5f4d84	Patch
https://github.com/python/cpython/commit/892747b4cf0f95ba8beb51c0d0658bfaa381ebca	Patch
https://github.com/python/cpython/commit/9ab89c026aa9611c4b0b67c288b8303a480fe742	Patch
https://github.com/python/cpython/commit/c8a5f3435c342964e0a432cc9fb448b7dbecd1ba	Patch
https://github.com/python/cpython/commit/f029e8db626ddc6e3a3beea4eff511a71aaceb5c	Patch
https://github.com/python/cpython/issues/136065	Issue Tracking Vendor Advisory
https://mail.python.org/archives/list/security-announce@python.org/thread/IUP5QJ6D4KK6ULHOMPC7DPNKRYQTQNLA/	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:python:python::::::::
	cpe:2.3:a:python:python::::::::
	cpe:2.3:a:python:python::::::::
	cpe:2.3:a:python:python:3.15.0:alpha1::::::

History

30 Sep 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Si el valor pasado a os.path.expandvars() es controlado por el usuario, es posible una degradación del rendimiento al expandir variables de entorno.

Information

Published : 2025-10-31 17:15

Updated : 2026-10-07 21:10

NVD link : CVE-2025-6075

Mitre link : CVE-2025-6075

CVE.ORG link : CVE-2025-6075

JSON object : View

Products Affected

python

python

CWE

CWE-400

Uncontrolled Resource Consumption

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