Mozilla Firefox Information Disclosure Vulnerability

Release Date: 5 Aug 2026

RISK: Medium Risk

TYPE: Clients - Browsers

A vulnerability was identified in Mozilla Firefox . A remote attacker could exploit this vulnerability to trigger sensitive information disclosure on the targeted system.

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Impact

• Information Disclosure

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System / Technologies affected

Versions prior to:

 

• Firefox for Android 153.0.3

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Solutions

Before installation of the software, please visit the vendor web-site for more details.

Apply fixes issued by the vendor:

 

• Firefox for Android 153.0.3

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Vulnerability Identifier

• CVE-2026-18809

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Source

• Mozilla

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Related Link

• https://www.mozilla.org/en-US/security/advisories/mfsa2026-73/