CVE-2025-11710

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-11710
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1989899 Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-81/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-82/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-83/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-84/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-85/ Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html
https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
History

13 Apr 2026, 15:16

Type Values Removed Values Added
Summary (en) 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. (en) 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.

03 Nov 2025, 18:15

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html -
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html -

17 Oct 2025, 12:58

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1989899 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1989899 - Issue Tracking, Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2025-81/ - () https://www.mozilla.org/security/advisories/mfsa2025-81/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-82/ - () https://www.mozilla.org/security/advisories/mfsa2025-82/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-83/ - () https://www.mozilla.org/security/advisories/mfsa2025-83/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-84/ - () https://www.mozilla.org/security/advisories/mfsa2025-84/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2025-85/ - () https://www.mozilla.org/security/advisories/mfsa2025-85/ - Vendor Advisory
First Time Mozilla
Mozilla firefox
Mozilla thunderbird
CPE cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*

15 Oct 2025, 14:15

Type Values Removed Values Added
CWE CWE-200
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8

14 Oct 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-14 13:15

Updated : 2026-04-13 15:16

NVD link : CVE-2025-11710

Mitre link : CVE-2025-11710

CVE.ORG link : CVE-2025-11710

JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-200

Exposure of Sensitive Information to an Unauthorized Actor