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CVE-2026-6776

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CVE-2026-6776

Published: Apr 21, 2026

Modified: May 27, 2026

PUBLISHED

Description

Incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

VendorProductVersions

Mozilla

Firefox

unaffected
140.10 - <= 140.*
unaffected
150 - <= *

Mozilla

Thunderbird

unaffected
140.10 - <= 140.*
unaffected
150 - <= *

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