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CVE-2025-8042 — Firefox for Android allowed a sandboxed iframe without the `allow-downloads` attribute to start downloads.

Mozilla · Firefox · Published 19 Aug 2025 · Modified 30 Sept 2026

Description

Firefox for Android allowed a sandboxed iframe without the `allow-downloads` attribute to start downloads. This vulnerability was fixed in Firefox 141.

References

What to do
  1. Check whether Firefox is in your asset inventory.
  2. Patch in the next maintenance window; prioritise internet-facing systems.
  3. Record the decision in your risk register for audit evidence.
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Link: adminadda.com/cve/CVE-2025-8042