| Package | Affected versions | Patched versions |
|---|---|---|
| firefox | < 140.9.0< 149.0 | 140.9.0149.0 |
| thunderbird | < 140.9.0< 149.0 | 140.9.0149.0 |
Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free