{"id":"PYSEC-2021-856","details":"Null Pointer Dereference vulnerability exists in numpy.sort in NumPy &lt and 1.19 in the PyArray_DescrNew function due to missing return-value validation, which allows attackers to conduct DoS attacks by repetitively creating sort arrays.","aliases":["CVE-2021-41495","GHSA-5545-2q6w-2gh6"],"modified":"2023-11-08T04:06:59.212424Z","published":"2021-12-17T20:15:00Z","references":[{"type":"REPORT","url":"https://github.com/numpy/numpy/issues/19038"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-5545-2q6w-2gh6"}],"affected":[{"package":{"name":"numpy","ecosystem":"PyPI","purl":"pkg:pypi/numpy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.19.1"}]}],"versions":["0.9.6","0.9.8","1.0","1.0.3","1.0.4","1.0b1","1.0b4","1.0b5","1.0rc1","1.0rc2","1.0rc3","1.1.1","1.10.0","1.10.1","1.10.2","1.10.3","1.10.4","1.11.0","1.11.1","1.11.2","1.11.3","1.12.0","1.12.1","1.13.0","1.13.0rc1","1.13.0rc2","1.13.1","1.13.3","1.14.0","1.14.0rc1","1.14.1","1.14.2","1.14.3","1.14.4","1.14.5","1.14.6","1.15.0","1.15.0rc1","1.15.0rc2","1.15.1","1.15.2","1.15.3","1.15.4","1.16.0","1.16.0rc1","1.16.0rc2","1.16.1","1.16.2","1.16.3","1.16.4","1.16.5","1.16.6","1.17.0","1.17.0rc1","1.17.0rc2","1.17.1","1.17.2","1.17.3","1.17.4","1.17.5","1.18.0","1.18.0rc1","1.18.1","1.18.2","1.18.3","1.18.4","1.18.5","1.19.0","1.19.0rc1","1.19.0rc2","1.2.0","1.2.1","1.3.0","1.4.0","1.4.1","1.5.0","1.5.1","1.6.0","1.6.1","1.6.2","1.7.0","1.7.1","1.7.2","1.8.0","1.8.1","1.8.2","1.9.0","1.9.1","1.9.2","1.9.3"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/numpy/PYSEC-2021-856.yaml"}}],"schema_version":"1.7.3"}