Moole Vulnerability Database

Find real vulnerabilities before they ship

Medium

CVE-2025-6075

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

VectorLOCAL

PublishedOct 31, 2025, 17:15

Published Bycna@python.org

Base Score

Score5.5

Affected Versions

No affected versions found.

References

https://github.com/python/cpython/commit/2e6150adccaaf5bd95d4c19dfd04a36e0b325d8c
https://github.com/python/cpython/commit/5dceb93486176e6b4a6d9754491005113eb23427
https://github.com/python/cpython/commit/631ba3407e3348ccd56ce5160c4fb2c5dc5f4d84
https://github.com/python/cpython/commit/892747b4cf0f95ba8beb51c0d0658bfaa381ebca
https://github.com/python/cpython/commit/9ab89c026aa9611c4b0b67c288b8303a480fe742
https://github.com/python/cpython/commit/c8a5f3435c342964e0a432cc9fb448b7dbecd1ba
https://github.com/python/cpython/commit/f029e8db626ddc6e3a3beea4eff511a71aaceb5c
https://github.com/python/cpython/issues/136065
https://mail.python.org/archives/list/security-announce@python.org/thread/IUP5QJ6D4KK6ULHOMPC7DPNKRYQTQNLA/

Weakness Type

CWE-400

CVSS Metrics

Base Score

1.8

Vector String

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Base SeverityLow

Version

4.0

Attack Vector (AV)

LOCAL