Mozilla Product Security Update Advisory
Overview. Mozilla has released updates to address a number of security vulnerabilities found in its Firefox and Thunderbird (including ESR) suites. Summary of vulnerability types and impact. CVE-2026-5731: Categorized as a memory safety issue. CVE-2026-5732: Categorized as a boundary condition error and integer overflow issue. CVE-2026-5733: Categorized as a boundary
