CVE-2026-58592

Ladybird contains a dangling-reference memory-safety flaw in its WebAssembly ESM-integration module loader. When a JavaScript function is imported into a WebAssembly module via the ESM path, WebAssemblyModule.cpp passes a stack-local Wasm::FunctionType by reference to createhostfunction, whose ho...

CVE-2026-58592 Ladybird - Web-Reachable Code Execution via Dangling FunctionType Reference in WebAssembly ESM Integration

Ladybird before commit 2f9dc7e contains a dangling-reference memory-safety flaw in its WebAssembly ESM-integration module loader. When a JavaScript function is imported into a WebAssembly module via the ESM path, WebAssemblyModule.cpp passes a stack-local Wasm::FunctionType by reference to...

PT-2026-54921

Name of the Vulnerable Software and Affected Versions Ladybird affected versions not specified Description A memory-safety flaw exists in the WebAssembly ESM-integration module loader. When a JavaScript function is imported into a WebAssembly module via the ESM path, WebAssemblyModule.cpp passes ...

MAL-2026-5383 Malicious code in @doaction/wasm-loader (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 118555cc138d5dbc40c11c385af69fa4c6c5caa2fc05e6b0b49c65cc69491a78 Package name and description advertise a 'WASM loader,' but the tarball ships no WebAssembly code. Instead, package.json declares "preinstall": "node...

Exploit for Improper Input Validation in Google Chrome

PoC exploit for CVE-2020-16040, an out-of-bounds read vulnerability in the WebAssembly WASM module loader. The exploit targets the WASM module loader's handling of WebAssembly code, specifically the wasmcode array, which is used to load and execute WASM modules. The vulnerability allows an attack...