critical9.8
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | from 143.0 before 144.0 |
| Mozilla | Thunderbird | from 143.0 before 144.0 |