A memory corruption issue has been found in Firefox before 82.0 where, when multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten the entry of another thread in a shared stub table, resulting in a potentially exploitable crash.
A memory corruption issue has been found in Firefox before 82.0 where, when multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten the entry of another thread in a shared stub table, resulting in a potentially exploitable crash.
https://www.mozilla.org/en-US/security/advisories/mfsa2020-45/#CVE-2020-15681 https://bugzilla.mozilla.org/show_bug.cgi?id=1666568