CVE-2026-119140

The Wasmtime runtime versions 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 are vulnerable to a denial of service flaw. The issue occurs when a malicious component's start function calls an async-lowered import followed by thread.yield , leading to an undisposed fiber drop that causes the host em...

EUVD-2026-113207

Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows malicious components to panic the host via thread.yield in start functions. Attackers can supply a component whose start function calls an async-lowered import then thread.yield, causing ...