CVE-2025-11711 Details
Description
There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.
A vulnerability exists in Mozilla Firefox versions prior to 144, Firefox ESR versions prior to 115.29 and 140.4, as well as Thunderbird versions prior to 144 and 140.4. This vulnerability allows for the modification of JavaScript Object properties that are intended to be non-writable.
Users can upgrade to Firefox 144, Firefox ESR 115.29 or 140.4, or Thunderbird 144 or 140.4 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Oct 15, 2025References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-591 | Sensitive Data Storage in Improperly Locked Memory | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| mozilla firefox | < 115.29.0 < 144.0 >= 116.0, < 140.4.0 |
CPE
Remediation
| |
| mozilla thunderbird | < 140.4.0 >= 141.0, < 144.0 |
CPE
Remediation
| |
Change History
7 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Apr 13, 2026 | CVE Modified | [email protected] |
| Nov 3, 2025 | CVE Modified | CVE |
| Oct 17, 2025 | Initial Analysis | [email protected] |
| Oct 15, 2025 | CVE Modified | CISA-ADP |
| Oct 14, 2025 | New CVE Received | [email protected] |