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CVE-2025-11710

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published10/14/2025

Last Modified4/13/2026

Sourcenvd

Honeypot Sightings0

Affected Products

mozilla:firefoxmozilla:thunderbird

Weaknesses (CWE)

CWE-200

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1989899(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-81/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-82/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-83/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-84/(security@mozilla.org)

https://www.mozilla.org/security/advisories/mfsa2025-85/(security@mozilla.org)

https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.