CVE-2026-5731

CVE-2026-5731 refers to memory-safety bugs across Mozilla Firefox/Thunderbird products. The initial entry lists memory corruption possibilities in Firefox ESR 115.34.0 and 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1, and Thunderbird 149.0.1, with fixes in Firefox 149.0.2, Firefox ESR 115.34...