CVE-2019-9790
Critical
Description
A use-after-free vulnerability can occur when a raw pointer to a DOM element on a page is obtained using JavaScript and the element is then removed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mozilla Firefox
PublishedApr 26, 2019
First seenApr 26, 2019
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v ≤ 60.6, v ≤ 66.0 | — |
| mozilla thunderbird | v ≤ 60.6 | — |
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