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.
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Fixes

Solution

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Workaround

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History

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

Type Values Removed Values Added
Description 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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-10-14T12:27:34.470Z

Reserved: 2025-10-13T19:50:05.343Z

Link: CVE-2025-11711

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-10-14T13:15:37.330

Modified: 2025-10-14T13:15:37.330

Link: CVE-2025-11711

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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