CVE-2026-6753

HighCVSS 7.3/10Last modified Jul 15, 2026

Description

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

Metrics

CVSS 3.1 7.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 21, 2026
Last modified
Jul 15, 2026
NVD status
Modified

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CVE-2026-6753: High severity, CVSS 7.3 | Vulnix