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OpenAdvisories
High · 8.8 CVE-2026-84117 EUVD-2026-69069GHSA-j4x5-f27p-w46x

Privilege escalation in Firefox for Android

Published Sep 1, 2026 · Updated Sep 2, 2026 · Assigned by mozilla

Description

Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 155.

Affected products

VendorProductAffectedFixed
Mozilla Firefox — 155

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 155.0-1.1 openSUSE-SU-2026:11677-1

Advisories 2

References