CVE-2026-119133 | Bytecode Alliance Wasmtime up to 48.0.5/49.0.2 VMContext layout memory corruption

October 29, 2026 Yanac

A vulnerability was found in Bytecode Alliance Wasmtime up to 48.0.5/49.0.2. It has been classified as problematic. The affected element is an unknown function of the component VMContext layout. Performing a manipulation results in memory corruption.

This vulnerability was named CVE-2026-119133. The attack may be initiated remotely. There is no available exploit.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More