Mozilla security advisory (AV26-451)

Serial number: AV26-451
Date: May 12, 2026

On May 12, 2026, Mozilla published a security advisory to address vulnerabilities in the following product:

• Firefox – versions prior to 150.0.3

The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates.

• Mozilla Foundation Security Advisory 2026-45
• Mozilla Security Advisories