CVE-2021-41496
Buffer Copy without Checking Size of Input in NumPy
5.5
MEDIUM
CVSS 3.1
EPSS 0.04%
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)
How to fix CVE-2021-41496
To remediate CVE-2021-41496, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 1.19 or later
- —upgrade to 1.19.0 or later
Is CVE-2021-41496 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 1.19
- from 0, < 1.19.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |