CVE-2024-47813

CVE-2024-47813 is a race-condition bug in Wasmtime where concurrent creation/dropping of types (e.g., FuncType, ArrayType) on a shared wasmtime::Engine can cause double-unregistration, potentially corrupting the internal type registry and violating WebAssembly CFI and type safety. The issue arise...

CVE-2024-30266

CVE-2024-30266 affects the Wasmtime WebAssembly runtime. The 19.0.0 release contained a regression that can cause a guest WebAssembly module to panic the host runtime when executed, potentially impacting host stability. The issue is addressed in Wasmtime 19.0.1. Multiple sources (NVD/NIST entry, ...

CVE-2024-47763

The CVE-2024-47763 issue affects Wasmtime’s WebAssembly runtime, where tail-call support combined with stack traces can trigger a crash. Root cause: when a WebAssembly function uses return_call/return_call_indirect/return_call_ref to a host function that captures a stack trace, the stack-walking ...

CVE-2024-51745

Wasmtime on Windows had a sandbox bypass where filenames with superscript digits (e.g., COM¹, LPT⁰) were not blocked, allowing untrusted Wasm code with filesystem access to reach devices and peripherals via special device filenames. Affected software: Wasmtime’s Windows filesystem sandbox. Root c...