CVE-2025-6075

low-risk
Published 2025-10-31

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

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (2)

Affected Vendors

Python

References (9)

Patch https://github.com/python/cpython/commit/2e6150adccaaf5bd95d4c19dfd04a36e0b325d8...
Patch https://github.com/python/cpython/commit/5dceb93486176e6b4a6d9754491005113eb2342...
Patch https://github.com/python/cpython/commit/631ba3407e3348ccd56ce5160c4fb2c5dc5f4d8...
Patch https://github.com/python/cpython/commit/892747b4cf0f95ba8beb51c0d0658bfaa381ebc...
Patch https://github.com/python/cpython/commit/9ab89c026aa9611c4b0b67c288b8303a480fe74...
Patch https://github.com/python/cpython/commit/c8a5f3435c342964e0a432cc9fb448b7dbecd1b...
Patch https://github.com/python/cpython/commit/f029e8db626ddc6e3a3beea4eff511a71aaceb5...
Issue Tracking https://github.com/python/cpython/issues/136065
Third Party Advisory https://mail.python.org/archives/list/security-announce@python.org/thread/IUP5QJ...
25
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 7/34 · Low