U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2025-6075 Detail

Description

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


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Python Software Foundation
CVSS-B 1.8 LOW
Vector:  CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].

URL Source(s) Tag(s)
https://github.com/python/cpython/commit/2e6150adccaaf5bd95d4c19dfd04a36e0b325d8c Python Software Foundation
https://github.com/python/cpython/commit/631ba3407e3348ccd56ce5160c4fb2c5dc5f4d84 Python Software Foundation
https://github.com/python/cpython/commit/892747b4cf0f95ba8beb51c0d0658bfaa381ebca Python Software Foundation
https://github.com/python/cpython/commit/9ab89c026aa9611c4b0b67c288b8303a480fe742 Python Software Foundation
https://github.com/python/cpython/commit/c8a5f3435c342964e0a432cc9fb448b7dbecd1ba Python Software Foundation
https://github.com/python/cpython/commit/f029e8db626ddc6e3a3beea4eff511a71aaceb5c Python Software Foundation
https://github.com/python/cpython/issues/136065 Python Software Foundation
https://mail.python.org/archives/list/[email protected]/thread/IUP5QJ6D4KK6ULHOMPC7DPNKRYQTQNLA/ Python Software Foundation

Weakness Enumeration

CWE-ID CWE Name Source
CWE-400 Uncontrolled Resource Consumption CISA-ADP  

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2025-6075
NVD Published Date:
10/31/2025
NVD Last Modified:
10/31/2025
Source:
Python Software Foundation