Description

Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.

INFO

Published Date :

2026-04-28T13:49:12.432Z

Last Modified :

2026-04-30T17:19:49.963Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2026-7321 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Thunderbird
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-7321.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2029461 cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-30/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-33/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-36/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-39/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
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Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact