CVE-2022-29917
Critical
Description
Mozilla developers Andrew McCreight, Gabriele Svelto, Tom Ritter and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 99 and Firefox ESR 91.8. 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 Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedDec 22, 2022
First seenDec 22, 2022
Weakness typeCWE-787Out-of-bounds write
How to fix
Update
- mozilla firefox100.0 or later
- mozilla firefox_esr91.9 or later
- mozilla thunderbird91.9 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 100.0 | 100.0 |
| mozilla firefox_esr | v < 91.9 | 91.9 |
| mozilla thunderbird | v < 91.9 | 91.9 |
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