Security Advisory

CVE-2025-62711

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-10-24 21:54:52

Last updated 2025-10-27 15:22:22

Assigner GitHub_M

State PUBLISHED

Description

Wasmtime is a runtime for WebAssembly. In versions from 38.0.0 to before 38.0.3, the implementation of component-model related host-to-wasm trampolines in Wasmtime contained a bug where its possible to carefully craft a component, which when called in a specific way, would crash the host with a segfault or assert failure. Wasmtime 38.0.3 has been released and is patched to fix this issue. There are no workarounds.

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