CVE-2022-28285

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.

Affected Platforms

Weakness Type

CWE-125, CWE-125

References

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