EUVD-2022-0913

Malicious code in bioql PyPI...

Invalid drop of partially-initialized instances in the pooling instance allocator for modules with defined `externref` globals

Impact There exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines an externref global will result in an invalid drop of a VMExternRef via an uninitialized pointer. As instance slots may be reused between...

GHSA-88XQ-W8CQ-XFG7 Invalid drop of partially-initialized instances in the pooling instance allocator for modules with defined `externref` globals

Impact There exists a bug in the pooling instance allocator in Wasmtime's runtime where a failure to instantiate an instance for a module that defines an externref global will result in an invalid drop of a VMExternRef via an uninitialized pointer. As instance slots may be reused between...