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Vulnerability DatabaseCVE-2025-1940

CVE-2025-1940: 
NixOS vulnerability analysis and mitigation

Overview

CVE-2025-1940 is a moderate severity vulnerability discovered in the Android version of Firefox browser, affecting versions prior to Firefox 136. The vulnerability was disclosed on March 4, 2025, and was reported by security researcher Shaheen Fazim (Mozilla Advisory).

Technical details

The vulnerability involves a UI layer manipulation issue where a select option could partially obscure the confirmation prompt shown before launching external apps. This vulnerability has been classified under CWE-1021 (Improper Restriction of Rendered UI Layers or Frames) and received a CVSS 3.1 base score of 7.1 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N (NVD).

Impact

The vulnerability could be exploited to trick users into launching external apps unexpectedly, potentially leading to unauthorized app execution on Android devices. This could result in high confidentiality impact and low integrity impact, with no effect on availability (Red Hat).

Mitigation and workarounds

The vulnerability has been patched in Firefox version 136. Users of affected Android versions of Firefox are strongly advised to update to Firefox 136 or later to mitigate this security risk (Mozilla Advisory).

Additional resources

Source: This report was generated using AI

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