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MEDIUM

GHSA-4mw5-2636-4535

op_panic in the base runtime can force a panic in the runtime's containing thread

Details

Affected versions use deno_core releases that expose `Deno.core.ops.op_panic` to the JS runtime in the base core

This function when called triggers a manual panic in the thread containing the runtime, breaking sandboxing

It can be fixed by stubbing out the exposed op: ```javascript Deno.core.ops.op_panic = (msg) => { throw new Error(msg) }; ```

Are you affected?

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Affected packages

crates.io/js-sandbox
Introduced in: 0

No fixed version published yet for js-sandbox. Pin to a known-safe version or switch to an alternative.

References