CVE-2026-18809: Information disclosure in Firefox for Android and Firefox Focus for Android

Published Aug 4, 2026
·
Updated

Information disclosure in Firefox for Android and Firefox Focus for Android. This vulnerability was fixed in Firefox 153.0.3.

Affected Software

1 affected componentFixes available
Mozilla Firefox<153.0.3
153.0.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 153.0.3
  2. Upgrade

    Upgrade Firefox for Android and Firefox Focus for Android to a version that resolves this vulnerability.

    Fixed in 153.0.3

Event History

Aug 4, 2026
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·12:31 PM
Data Sourced
via MITRE·12:31 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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