CVE-2020-15652
Medium
Description
By observing the stack trace for JavaScript errors in web workers, it was possible to leak the result of a cross-origin redirect. This applied only to content that can be parsed as script. This vulnerability affects Firefox < 79, Firefox ESR < 68.11, Firefox ESR < 78.1, Thunderbird < 68.11, and Thunderbird < 78.1.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Mozilla Firefox
PublishedAug 10, 2020
First seenAug 10, 2020
How to fix
Update
- mozilla firefox79.0, 78.1 or later
- mozilla firefox_esr68.11 or later
- mozilla thunderbird68.11, 78.1 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 79.0, 78.0 ≤ v < 78.1 | 79.0, 78.1 |
| mozilla firefox_esr | v < 68.11 | 68.11 |
| mozilla thunderbird | v < 68.11, 78.0 ≤ v < 78.1 | 68.11, 78.1 |
| canonical ubuntu_linux | 16.04, 18.04, 20.04 | — |
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