{"id":"CVE-2021-41496","details":"Buffer overflow in the array_from_pyobj function of fortranobject.c in NumPy \u003c 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)","aliases":["GHSA-f7c7-j99h-c22f","PYSEC-2021-857"],"modified":"2026-03-14T11:14:42.225939Z","published":"2021-12-17T20:15:08.517Z","related":["MGASA-2022-0032","SUSE-SU-2022:0118-1","SUSE-SU-2022:0134-1","SUSE-SU-2022:0134-2","SUSE-SU-2022:0134-3","SUSE-SU-2022:0206-1","SUSE-SU-2022:1064-1","SUSE-SU-2022:1064-2","SUSE-SU-2022:2441-1","openSUSE-SU-2022:0134-1","openSUSE-SU-2022:1064-1","openSUSE-SU-2024:13220-1","openSUSE-SU-2024:14311-1"],"references":[{"type":"ADVISORY","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"FIX","url":"https://github.com/numpy/numpy/issues/19000"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/numpy/numpy","events":[{"introduced":"0"},{"fixed":"92ebe1e9a6aeb47a881a1226b08218175776f9ea"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.19.0"}]}}],"versions":["pre-removal-numpybook","v0.2.2","v0.3.0","v1.19.0rc1","v1.19.0rc2","with_maskna"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-41496.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}