CVE-2021-33430

unknown
Published 2022-01-07 · Modified 2023-11-08
CVSS v3
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2
VIR risk

Description

A Buffer Overflow vulnerability exists in NumPy 1.9.x in the PyArray_NewFromDescr_int function of ctors.c when specifying arrays of large dimensions (over 32) from Python code, which could let a malicious user cause a Denial of Service.

Predictions

Exploit likelihood
30%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-33430

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-33430.html

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed1:1.21.4-2
debian debianbullseyeaffected
debian debianforkyfixed1:1.21.4-2
debian debiansidfixed1:1.21.4-2
debian debiantrixiefixed1:1.21.4-2

Package impact

EcosystemPackageVulnerableFixed
python PyPInumpy>=1.9.0,<1.211.21
python PyPInumpy>=1.9.0,<1.10.01.10.0

References

Verify integrity in audit chain (admin only). AS-IS.