Description

Sandbox escape due to incorrect boundary conditions in the Telemetry component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

INFO

Published Date :

2026-03-24T12:30:22.179Z

Last Modified :

2026-04-13T13:48:33.096Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2026-4687 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Firefox Esr
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-4687.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2016368 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-4687 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-4687 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-20/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-21/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-22/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-22/#CVE-2026-4687 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-23/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-24/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-24/#CVE-2026-4687 cve-icon
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