CVE-2022-28285 Information

Description

When generating the assembly code for MLoadTypedArrayElementHole an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8 Firefox < 99 and Firefox ESR < 91.8.

Reference

https://www.mozilla.org/security/advisories/mfsa2022-13/ https://www.mozilla.org/security/advisories/mfsa2022-15/ https://bugzilla.mozilla.org/show_bug.cgi?id=1756957 https://www.mozilla.org/security/advisories/mfsa2022-14/