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.
{ "binaries": [ { "binary_name": "firefox", "binary_version": "130.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-dev", "binary_version": "130.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-geckodriver", "binary_version": "130.0+build2-0ubuntu0.20.04.1" }, { "binary_name": "firefox-mozsymbols", "binary_version": "130.0+build2-0ubuntu0.20.04.1" } ], "availability": "No subscription required" }