Description
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.
References (4)
Scores
CVSS v3
9.8
EPSS
0.0028
EPSS Percentile
51.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
CWE
CWE-843
Status
published
Products (2)
mozilla/firefox
< 130.0
mozilla/firefox_esr
< 128.2
Published
Sep 03, 2024
Tracked Since
Feb 18, 2026