medium5.3
CVE-2026-12301
Memory safety bug fixed in Thunderbird 152.
Impact
Memory safety bug fixed in Thunderbird 152. This vulnerability was fixed in Firefox 152 and Thunderbird 152.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 152.0.0 |
| Mozilla | Thunderbird | before 152.0.0 |