sa 138binder sa-138 w (40%) binder sf - 45 binder sf - 45 n binder u-39 binder va-new 20 binder va-new 30 binder va-new 40 lk - 27 lk - 35Memory safety bugs fixed in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10 # CVE-2025-4092: Memory safety bugs fixed in Firefox 138