GitHub Advisory Database10 days ago

Wasmtime: Cranelift backend on aarch64 can jump to incorrect target on large Wasm br_table instruction

Summary When running with the Cranelift compiler backend on an aarch64 target, Wasmtime can compile a Wasm module with more than ~256k targets on one br_table instruction in a way that results in an incorrect conditional branch target. This conditional branch could then jump to a

Published October 28, 2026 · 9:14 PM
Summary When running with the Cranelift compiler backend on an aarch64 target, Wasmtime can compile a Wasm module with more than ~256k targets on one br_table instruction in a way that results in an incorrect conditional branch target. This conditional branch could then jump to a
Read

Source: GitHub Advisory Database

Ask AI about this articleBeta

The AI only has access to this article — it won't make up facts. Try:

AI can be wrong. Cross-check before sharing.

Supporting evidence0 items
Community check0 comments
No votes yet
0% real0% fake