CVE-2025-1939: Tapjacking in Android Custom Tabs using transition animations
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 136
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-1939?
CVE-2025-1939 has been classified as a high severity vulnerability.
How do I fix CVE-2025-1939?
To fix CVE-2025-1939, update your Mozilla Firefox browser to version 136 or later.
What impact does CVE-2025-1939 have on users?
CVE-2025-1939 can potentially trick users into granting sensitive permissions through deceptive transition animations in Custom Tabs.
Which versions of Firefox are affected by CVE-2025-1939?
CVE-2025-1939 affects Mozilla Firefox versions prior to 136.
Is there a workaround for CVE-2025-1939 until a fix is applied?
Currently, there are no known effective workarounds for CVE-2025-1939 besides updating to the latest version.