medium5.4
CVE-2026-12330
Incorrect boundary conditions in the Internationalization component.
Impact
Incorrect boundary conditions in the Internationalization component. This vulnerability was fixed in Firefox ESR 140.12, Firefox ESR 115.37, and Thunderbird 140.12.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 115.37.0 from 140.0 before 140.12.0 |
| Mozilla | Thunderbird | from 140.0 before 140.12.0 |