GHSA-xp2q-mv29-hr2pMediumCVSS 4.8

Wasmtime 42.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains insufficient checks in Store when...

Published
October 29, 2026
Last Modified
October 29, 2026

🔗 CVE IDs covered (1)

📋 Description

Wasmtime 42.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains insufficient checks in Store when mixing async-style and sync-style WebAssembly calls. Embedders re-entering WebAssembly via sync APIs from host functions called asynchronously can trigger runtime panics or unsound cross-thread movement of !Send host variables.

🔗 References (4)