wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc() in wasm_rt_allocate_funcref_table() (wasm2…

{
                    "defaultStatus": "unknown",
                    "modules": [
                        "wasm2c / wasm-rt runtime (funcref table allocation)"
                    ],
                    "platforms": [
                        "32 bit"
                    ],
                    "product": "wabt",
                    "programFiles": [
                        "wasm2c/wasm-rt-impl-tableops.inc"
                    ],
                    "programRoutines": [
                        {
                            "name": "wasm_rt_allocate_funcref_table"
                        }
                    ],
                    "repo": "https://github.com/WebAssembly/wabt",
                    "vendor": "WebAssembly",
                    "versions": [
                        {
                            "lessThanOrEqual": "1.0.41",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }