Description
If the value passed to os.path.expandvars() is user-controlled a performance degradation is possible when expanding environment variables.
CVSS Metrics
- 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/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
- Attack Vector
- local
- Complexity
- low
- Privileges
- high
- User Action
- none
- Confidentiality
- undefined
- Integrity
- undefined
- Availability
- undefined
- Weaknesses
- CWE-400
Metadata
- Primary Vendor
- PYTHON
- Published
- 10/31/2025
- Last Modified
- 2/4/2026
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
python : pythonpython : pythonpython : pythonpython : python
AI-Powered Remediation
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