CVE-2021-41496

MEDIUM

Numpy < 1.19.0 - Buffer Overflow

Title source: rule
STIX 2.1

Description

Buffer overflow in the array_from_pyobj function of fortranobject.c in NumPy < 1.19, which allows attackers to conduct a Denial of Service attacks by carefully constructing an array with negative values. NOTE: The vendor does not agree this is a vulnerability; the negative dimensions can only be created by an already privileged user (or internally)

References (2)

Core 2
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://github.com/numpy/numpy/issues/19000

Scores

CVSS v3 5.5
EPSS 0.0004
EPSS Percentile 10.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-120
Status published
Products (2)
numpy/numpy < 1.19.0
pypi/numpy 0 - 1.19PyPI
Published Dec 17, 2021
Tracked Since Feb 18, 2026