CVE-2026-6777 | Mozilla Firefox up to 149 DNS Remote Code Execution (Nessus ID 310629 / WID-SEC-2026-1228)
A vulnerability has been found in Mozilla Firefox up to 149 and classified as critical. Impacted is an unknown function of the component DNS. Performing a manipulation results in Remote Code Execution.
This vulnerability was named CVE-2026-6777. The attack may be initiated remotely. There is no available exploit.
The affected component should be upgraded.