A AegiFlow
CRITICALCVSS 9.8

CVE-2025-11719

CVE-2025-11719 updated by NVD

Modified
2026-10-20
Sources
nvd

Summary

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.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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