Starting in Firefox 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability affects Firefox < 144 and Thunderbird < 144.
Advisories

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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 Starting in Firefox 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability affects Firefox < 144 and Thunderbird < 144.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2025-10-14T12:27:36.841Z

Reserved: 2025-10-13T19:50:20.373Z

Link: CVE-2025-11719

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-10-14T13:15:38.287

Modified: 2025-10-14T13:15:38.287

Link: CVE-2025-11719

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.