CVE-2026-4687

High CVSS: 8.6

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

Vendor

Mozilla

Product

Firefox

CWE

CWE-754

Yayın Tarihi

2026-03-24 13:16:04

Güncelleme

2026-03-25 15:16:51

Source Identifier

security@mozilla.org

KEV Date Added

Kategoriler

CWE-754 Firefox HIGH Mozilla 2026

Referanslar

https://bugzilla.mozilla.org/show_bug.cgi?id=2016368 https://www.mozilla.org/security/advisories/mfsa2026-20/ https://www.mozilla.org/security/advisories/mfsa2026-21/ https://www.mozilla.org/security/advisories/mfsa2026-22/ https://www.mozilla.org/security/advisories/mfsa2026-23/ https://www.mozilla.org/security/advisories/mfsa2026-24/

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