MGASA-2026-0522 Updated firefox, nss, firefox-l10n packages fix security vulnerabilities

Privilege escalation in the Application Update component. CVE-2026-109704 Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the Networking component. CVE-2026-109705 Use-after-free in the Storage: IndexedDB component. CVE-2026-109706 Sandbox escape due t...