crates.io/wasmtime CVE-2026-115889: critical 9.9
Bit-packing in Cranelift compiler causes silent overflow and miscompilation
Action: Upgrade wasmtime to 36.0.19 (36.x) or 43.0.0 (43.x) or later.
cargo update -p wasmtime --precise 36.0.19cargo update -p wasmtime --precise 43.0.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.0.0-0 | 36.0.19 | - |
| 37.0.0 | 43.0.0 | - |
Fixed versions
| 36.0.19 | 43.0.0 |
Sources
- osv: RUSTSEC-2026-0380
- https://crates.io/crates/wasmtime
- https://rustsec.org/advisories/RUSTSEC-2026-0380.html
- https://github.com/bytecodealliance/wasmtime/pull/12613
CVE-2026-115889 · published · modified · JSON