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RUSTSEC-2026-0353GHSA-M6W2-JWQ2-CV2C

Panic when invoking an async-lifted function via `call`

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 48.0.6, 49.0.3
None on Exploit-DB, Metasploit or GitHub

Summary

This affects Wasmtime, the WebAssembly runtime, when code invokes an async-lifted function through the `call` API. Doing so can cause the host program to panic, crashing the process that embeds Wasmtime.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-m6w2-jwq2-cv2c For more information see the GitHub-hosted security advisory.

Timeline

  1. Advisory published
  2. Record last updated

Affected versions

  • wasmtimecrates.io

    From 46.0.0 · fixed in 48.0.6; From 49.0.0 · fixed in 49.0.3

References 3

crates.io

rustsec.org

GitHub · bytecodealliance/wasmtime