Executive brief
A vulnerability in the privacy component of Firefox for Android could allow sensitive information to be disclosed. Firefox is a popular web browser used to access the internet and manage user data. An exploit could potentially compromise user privacy by exposing data that should remain protected during browsing sessions.
Technical details
An information disclosure vulnerability was identified in the Privacy component of Firefox for Android. While specific root cause details are restricted in the associated Bugzilla report, the flaw allows for the unintended exposure of data handled by the browser's privacy-related features. The vulnerability is reachable via the network, likely through malicious web content, and does not appear to require special privileges. Mozilla has mitigated this issue in Firefox version 153.
Affected products
- Mozilla Firefox for Android Before 153
Timeline
- 2026-07-21: advisory
- 2026-07-21: patched