crates.io/wasmtime CVE-2026-34983: medium 5, EPSS 0.12%
Use-after-free bug after cloning `wasmtime::Linker`
Action: Upgrade wasmtime to 43.0.1 or later.
cargo update -p wasmtime --precise 43.0.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 43.0.0 | 43.0.1 | - |
Fixed versions
| 43.0.1 |
Sources
- osv: RUSTSEC-2026-0090
- nvd: CVE-2026-34983
- https://crates.io/crates/wasmtime
- https://rustsec.org/advisories/RUSTSEC-2026-0090.html
- https://github.com/bytecodealliance/wasmtime/issues/12069
CVE-2026-34983 · published · modified · JSON