CVE-2020-15657
High
Description
Firefox could be made to load attacker-supplied DLL files from the installation directory. This required an attacker that is already capable of placing files in the installation directory. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Mozilla Firefox
PublishedAug 10, 2020
First seenAug 10, 2020
How to fix
Update
- mozilla firefox79.0 or later
- mozilla firefox_esr78.1 or later
- mozilla thunderbird78.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 79.0 | 79.0 |
| mozilla firefox_esr | v < 78.1 | 78.1 |
| mozilla thunderbird | v < 78.1 | 78.1 |
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