CVE-2025-11710

CriticalCVSS 9.8/10Last modified Oct 23, 2026

Description

A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Oct 14, 2025
Last modified
Oct 23, 2026
NVD status
Modified

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CVE-2025-11710: Critical severity, CVSS 9.8 | Vulnix