Code injection

Wasmtime is a standalone runtime for WebAssembly. Prior to versions 6.0.2, 7.0.1, and 8.0.1, Wasmtime's implementation of managing per-instance state, such as tables and memories, contains LLVM-level undefined behavior. This undefined behavior was found to cause runtime-level issues when compiled...

Undefined Behavior in Rust runtime functions

Impact Wasmtime's implementation of managing per-instance state, such as tables and memories, contains LLVM-level undefined behavior. This undefined behavior was found to cause runtime-level issues when compiled with LLVM 16 which causes some writes, which are critical for correctness, to be...

PT-2023-22821 · Rust +2 · Rust +2

Name of the Vulnerable Software and Affected Versions: Wasmtime versions prior to 6.0.2 Wasmtime versions prior to 7.0.1 Wasmtime versions prior to 8.0.1 Description: Wasmtime's implementation of managing per-instance state contains LLVM-level undefined behavior, which can cause runtime-level...