CVE-2025-11711

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-11711
There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability affects Firefox < 144, Firefox ESR < 115.29, Firefox ESR < 140.4, Thunderbird < 144, and Thunderbird < 140.4.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1989978 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
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

17 Oct 2025, 12:54

Type Values Removed Values Added
First Time Mozilla thunderbird
Mozilla
Mozilla firefox
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1989978 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1989978 - 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

15 Oct 2025, 14:15

Type Values Removed Values Added
CWE CWE-591
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.5

14 Oct 2025, 13:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-14 13:15

Updated : 2025-10-17 12:54

NVD link : CVE-2025-11711

Mitre link : CVE-2025-11711

CVE.ORG link : CVE-2025-11711

JSON object : View

Products Affected

mozilla

  • firefox
  • thunderbird
CWE
CWE-591

Sensitive Data Storage in Improperly Locked Memory