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CVE-2025-11719
CVE-2025-11719
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 affects Firefox < 144 and Thunderbird < 144.
Published Oct 17, 2025
https://www.mozilla.org/en-US/security/advisories/mfsa2025-81/#:~:text=Bug%201986142-,%23,free%20caused%20by%20the%20native%20messaging%20web%20extension%20API%20on%20Windows,-Reporter
CVSS Score
Critical
9.8
Components Impacted
Components Impacted
Security Details
Security Details
Sonatype Research
Sonatype Research
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CVE-2025-11719 | Components Impacted | Sonatype Guide | Sonatype Guide
