CVE-2025-11710 | A compromised web process using malicious IPC messages could… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2025-11710
State: PUBLISHED
Assigner: mozilla
Reserved: 2025-10-13 19:50 UTC
Published: 2025-10-14 12:27 UTC
Last updated: 2026-04-13 14:29 UTC
Primary CWE: CWE-200
CWE-200 Exposure of Sensitive Information to an Unauthorized…
Vendor / Product: Mozilla / Firefox
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: yes
Tech. Impact: total

Affected products (2)

Vendor	Product	Platform	Versions
Mozilla	Firefox	—	115.29 ≤ 115., 140.4 ≤ 140., 144 ≤ *
Mozilla	Thunderbird	—	140.4 ≤ 140., 144 ≤

Weakness (CWE)

CWE	Source	Description
CWE-200	adp	CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

CVSS scores (1)

Score	Severity	Version	Source	Vector
9.8	CRITICAL	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References (6)