3.9
Low
CVE-2025-1939 Android apps can load web pages using the Custom Tabs feature
Description
Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability was fixed in Firefox 136.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Firefox 136 | earliest → < 136 | 136 |
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