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CVE-2026-117861EUVD-2026-111032GHSA-7RFQ-9M5M-HMR4

Sandbox escape in the DOM: Navigation component

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub

Summary

Mozilla Firefox's Document Object Model (DOM) navigation component contains a flaw that allows web content to break out of its security sandbox. An attacker could potentially use this to run code or access resources outside the browser's restricted environment.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

Sandbox escape in the DOM: Navigation component. This vulnerability was fixed in Firefox 159, Firefox ESR 153.6, Thunderbird 159, and Thunderbird 153.6.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. Record last updated

Affected versions

  • Mozilla Firefox

    Version range not reported

  • Mozilla Thunderbird

    Version range not reported

References 5

bugzilla.mozilla.org

mozilla.org