A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.Referenceshttps://www.mozilla.org/security/advisories/mfsa2023-15/https://www.mozilla.org/security/advisories/mfsa2023-14/https://www.mozilla.org/security/advisories/mfsa2023-13/https://bugzilla.mozilla.org/show_bug.cgi?id=1822754
