CVE-2026-104855 | Bytecode Alliance Wasmtime up to 46.0.1/47.0.2 Fuel/Epoch Preemption Checks epoch_deadline_callback heap-based overflow

A vulnerability labeled as problematic has been found in Bytecode Alliance Wasmtime up to 46.0.1/47.0.2. Affected is the function Store::epoch_deadline_callback of the component Fuel/Epoch Preemption Checks. Such manipulation leads to heap-based buffer overflow.

This vulnerability is uniquely identified as CVE-2026-104855. The attack can be launched remotely. No exploit exists.

The affected component should be upgraded.VulDB Recent EntriesRead More