Mozilla security advisory (AV26-726)
ID: aa03048f-fbfd-50c1-a129-f9c9f9bfa7d9
STIX ID: report--aa03048f-fbfd-50c1-a129-f9c9f9bfa7d9
Feed Name: Canadian Centre for Cyber Security Alerts and Advisories
Threat Score
On July 21, 2026 Mozilla published security advisories releasing critical updates for Firefox (versions prior to 153) and Firefox ESR (versions prior to 140.13 and 115.38); the Cyber Centre advises users and administrators to review the provided links and apply the updates.
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