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.
Published: 2025-10-14
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4335-1 firefox-esr security update
Debian DLA Debian DLA DLA-4351-1 thunderbird security update
Debian DSA Debian DSA DSA-6025-1 firefox-esr security update
Debian DSA Debian DSA DSA-6040-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-7991-1 Thunderbird vulnerabilities
History

Mon, 13 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
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 affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4. 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.

Mon, 03 Nov 2025 18:30:00 +0000


Thu, 30 Oct 2025 16:30:00 +0000

Type Values Removed Values Added
Title thunderbird: firefox: Cross-process information leaked due to malicious IPC messages Cross-process information leaked due to malicious IPC messages

Mon, 20 Oct 2025 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla firefox Esr
Vendors & Products Mozilla firefox Esr

Fri, 17 Oct 2025 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
Mozilla thunderbird
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
Vendors & Products Mozilla
Mozilla firefox
Mozilla thunderbird

Wed, 15 Oct 2025 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-200
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Wed, 15 Oct 2025 12:30:00 +0000

Type Values Removed Values Added
Title thunderbird: firefox: Cross-process information leaked due to malicious IPC messages
Weaknesses CWE-497
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H'}

threat_severity

Important


Tue, 14 Oct 2025 13:00:00 +0000

Type Values Removed Values Added
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 affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.
References

Subscriptions

Mozilla Firefox Firefox Esr Thunderbird
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-04-13T14:29:19.863Z

Reserved: 2025-10-13T19:50:03.178Z

Link: CVE-2025-11710

cve-icon Vulnrichment

Updated: 2025-11-03T17:31:48.074Z

cve-icon NVD

Status : Modified

Published: 2025-10-14T13:15:37.203

Modified: 2026-04-13T15:16:39.603

Link: CVE-2025-11710

cve-icon Redhat

Severity : Important

Publid Date: 2025-10-14T12:27:34Z

Links: CVE-2025-11710 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-10-20T15:49:38Z

Weaknesses