Description (CNA)
Wasmtime 39.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a stack buffer overflow vulnerability that allows malicious guests to write ~16KB to the native stack via unvalidated async callback result types. Attackers can supply components with mistyped component-model-async callback functions to overwrite return addresses, crashing the host or escaping the sandbox.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| bytecodealliance / wasmtime | affected 39.0.0 before 48.0.4; unaffected 48.0.4; affected 49.0.0 before 49.0.2; unaffected 49.0.2 |
CWE
CWE-20