Mozilla has released Firefox 4.0.1, 3.6.17, and 3.5.19 to address multiple vulnerabilities. The impact of these vulnerabilities includes arbitrary code execution, privilege escalation, directory traversal, and information disclosure.
US-CERT encourages users and administrators to review the Mozilla Foundation Security Advisories for April 28, 2011 and apply any necessary updates to mitigate the risks.
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-3502 TrueConf Client…