A difference in the handling of StructFields and ArrayTypes in WASM could be used to trigger an exploitable type confusion vulnerability. This vulnerability affects Firefox < 130, Firefox ESR < 128.2, and Thunderbird < 128.2.CreditsSeunghyun LeeReferenceshttps://bugzilla.mozilla.org/show_bug.cgi?id=1911909https://www.mozilla.org/security/advisories/mfsa2024-39/https://www.mozilla.org/security/advisories/mfsa2024-40/https://www.mozilla.org/security/advisories/mfsa2024-43/