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OpenAdvisories
Medium · 5.4 CVE-2026-100823 EUVD-2026-88802GHSA-664r-6947-fwcc

Spoofing issue in the Downloads component in Firefox for Android

Published Sep 29, 2026 · Updated Oct 1, 2026 · Assigned by mozilla

Description

Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.

Affected products

VendorProductAffectedFixed
Mozilla Firefox — 157

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.

ReleasePackageFixed inAdvisory
Ubuntu 24.04 LTS mozjs102 +1 No fix yet —
Ubuntu 22.04 LTS mozjs78 +3 No fix yet —
Ubuntu 20.04 LTS mozjs52 +1 No fix yet —
Ubuntu 18.04 LTS mozjs38 +1 No fix yet —
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed MozillaFirefox 157.0.1-1.1 openSUSE-SU-2026:12097-1

Advisories 2

References