Name: CVE-2025-11719: Use After Free
Creator: Rapid7
Published: 2025-10-14T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-11719, CWE-416, CVSS 9.8, EPSS 0.00061

Starting in Thunderbird 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 was fixed in Firefox 144 and Thunderbird 144.

CVSS Details

CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Mfsa2025 81	—	Upgrade to the latest version of Mozilla FirefoxUpgrade to Mozilla Firefox version 144.0	Oct 15, 2025	Oct 14, 2025
Mozilla Thunderbird	—	Upgrade to the latest version of Mozilla ThunderbirdUpgrade to Mozilla Thunderbird version 144.0	Oct 15, 2025	Oct 14, 2025

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CVSS Details

Covered by Rapid7

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