Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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 Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. 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: 2025-10-14T12:27:34.820Z

Reserved: 2025-10-13T19:50:12.815Z

Link: CVE-2025-11714

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2025-10-14T13:15:37.680

Modified: 2025-10-14T13:15:37.680

Link: CVE-2025-11714

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.