RUSTSEC-2026-0379

vendorUSosv

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

view advisory published 2026-10-19Licence: CC0-1.0

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-mghf-wjfp-p5xm For more information see the GitHub-hosted security advisory.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-115893US	—	0.99% (62nd)	Exploit	2026-10-23
Wasmtime is a runtime for WebAssembly. Prior to 36.0.19, 48.0.7, and 49.0.4, the Cranelift compiler backend on aarch64 can compile a Wasm br_table instruction with more than approx…

references

External citations — patches, advisories, analysis.

https://crates.io/crates/wasmtimePACKAGE
https://github.com/bytecodealliance/wasmtime/pull/14826WEB
https://rustsec.org/advisories/RUSTSEC-2026-0379.htmlADVISORY

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