high8.2
CVE-2025-1943
Memory safety bugs present in Firefox 135 and Thunderbird 135.
Impact
Memory safety bugs present in Firefox 135 and Thunderbird 135. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 136 and Thunderbird 136.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 136.0 |
| Mozilla | Thunderbird | before 136.0 |