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VULNERABILITIES

CVE-2021-41496 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/numpy/numpy/issues/19000 CVEExploitIssue TrackingPatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html CVEThird Party Advisory
https://github.com/numpy/numpy/issues/19000 [email protected]ExploitIssue TrackingPatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujul2022.html [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')[email protected]

Affected Products

ProductVersions
numpy numpy
< 1.19.0

CPE

  • cpe:2.3:a:numpy:numpy:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

13 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-41496
NVD Published Date:
Dec 17, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-41496 Details - Not Deferred