CVE-2022-28285

When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was used

Medium · published December 22, 2022

CVSS v3.1
6.5
EPSS
1%
Percentile
55.8
In the wild
Unconfirmed
What it is

When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, 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.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00789 · 55.8th percentile
Published
2022-12-22T00:00Z
EPSS history
Timeline
  • 22 DEC 00:00Z
    When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet was used
    cvelistv5