CVE-2020-12418
Medium
Description
Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mozilla Firefox
PublishedJul 9, 2020
First seenJul 9, 2020
How to fix
Update
- mozilla firefox78.0 or later
- mozilla firefox_esr68.10 or later
- mozilla thunderbird68.10.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 78.0 | 78.0 |
| mozilla firefox_esr | v < 68.10 | 68.10 |
| mozilla thunderbird | v < 68.10.0 | 68.10.0 |
| canonical ubuntu_linux | 16.04, 18.04, 19.10, 20.04 | — |
| opensuse leap | 15.1, 15.2 | — |
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