crates.io/wasmtime CVE-2026-35186: high 7.5, EPSS 0.21%
Wasmtime has improperly masked return value from `table.grow` with Winch compiler backend
Action: Upgrade wasmtime to 36.0.7 or later.
cargo update -p wasmtime --precise 36.0.7cargo update -p wasmtime --precise 42.0.2cargo update -p wasmtime --precise 43.0.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 25.0.0 | 36.0.7 | - |
| 37.0.0 | 42.0.2 | - |
| 43.0.0 | 43.0.1 | - |
Fixed versions
| 36.0.7 | 42.0.2 | 43.0.1 |
Sources
- osv: GHSA-f984-pcp8-v2p7
- nvd: CVE-2026-35186
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-f984-pcp8-v2p7
- https://github.com/bytecodealliance/wasmtime
- https://rustsec.org/advisories/RUSTSEC-2026-0094.html
CVE-2026-35186 · published · modified · JSON