CESS-2025-11710 — Vulnetix

CESS-2025-11710 PUBLISHED CVSS 9.8 CRITICAL

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.

Risk Scores

CVSS 3.1

9.8

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

Timeline

Oct 14, 2025 CVE Published

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