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_version": "130.0+build2-0ubuntu0.20.04.1", "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" } ], "availability": "No subscription required" }