When performing the inference shape operation of the SparseToDense operator, if the number of inputs is less than three, it will access data outside of bounds of inputs which allocated from heap buffers.
https://gitee.com/mindspore/community/blob/master/security/security_advisory_list/mssa-2021-005_en.md
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-20327
Source: Mitre, NVD
Published: 2022-06-27
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Severity: High
EPSS: 0.00917