CVE-2021-41496 — Classic Buffer Overflow in Numpy
Severity
5.5MEDIUMNVD
OSV5.3
EPSS
0.0%
top 89.11%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 17
Latest updateDec 7
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)
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages6 packages
Patches
🔴Vulnerability Details
5📋Vendor Advisories
4Microsoft▶
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 value↗2021-12-14
Debian▶
CVE-2021-41496: numpy - Buffer overflow in the array_from_pyobj function of fortranobject.c in NumPy < 1...↗2021