CVE-2022-45421
High
Description
Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102.4. 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 affects Firefox ESR < 102.5, Thunderbird < 102.5, and Firefox < 107.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- mozilla firefox107.0 or later
- mozilla firefox_esr102.5 or later
- mozilla thunderbird102.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 107.0 | 107.0 |
| mozilla firefox_esr | v < 102.5 | 102.5 |
| mozilla thunderbird | v < 102.5 | 102.5 |
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