CVE-2021-41496

numpy: buffer overflow in the array_from_pyobj() in fortranobject.c

Published Dec 17, 2021 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-f7c7-j99h-c22f Buffer Copy without Checking Size of Input in NumPy
Ubuntu USN Ubuntu USN USN-5763-1 NumPy vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00031}

epss

{'score': 0.00042}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 3:15 AM
Reserved
Sep 20, 2021, 12:00 AM
Status
Modified
Published
Dec 17, 2021, 8:15 PM
Modified
Jun 17, 2026, 4:08 AM
Severity
Moderate
Public date
May 13, 2021, 12:00 AM