CVE-2021-41496

MediumCVSS 5.5/10Last modified Jun 17, 2026

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)

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-120

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/numpy/numpy/issues/19000Exploit, Issue Tracking, Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory
https://github.com/numpy/numpy/issues/19000Exploit, Issue Tracking, Patch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.htmlThird Party Advisory

Timeline

Published: Dec 17, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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