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Medium · 4.3 CVE-2025-8364 EUVD-2025-25231GHSA-c4g9-q4rc-577f

Address bar spoofing using an blob URI on Firefox for Android

Published Aug 19, 2025 · Updated Apr 13, 2026 · Assigned by mozilla

Description

A crafted URL using a blob: URI could have hidden the true origin of the page, resulting in a potential spoofing attack.
*Note: This issue only affected Android operating systems. Other operating systems are unaffected.*. This vulnerability was fixed in Firefox 141.

Affected products

VendorProductAffectedFixed
Mozilla Firefox — 141

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Wolfi

ReleasePackageFixed inAdvisory
Wolfi rolling firefox 141-r0 —

References