Vulnerabilities > Ethereum > PY EVM > High
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2018-11-12 | CVE-2018-18920 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Ethereum Py-Evm 0.2.0 Py-EVM v0.2.0-alpha.33 allows attackers to make a vm.execute_bytecode call that triggers computation._stack.values with '"stack": [100, 100, 0]' where b'\x' was expected, resulting in an execution failure because of an invalid opcode. | 8.8 |