PyPI/wasmtime CVE-2026-34983: medium 5, EPSS 0.12%
Wasmtime is a runtime for WebAssembly. In 43.0.0, cloning a wasmtime::Linker is unsound and can result in use-after-free bugs. This bug is not controllable by guest Wasm programs. It can only be trigg
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | 43.0.0 |
Fixed versions
No fixed version in the source.
Sources
- osv: PYSEC-2026-151
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hfr4-7c6c-48w2
CVE-2026-34983 · published · modified · JSON