A vulnerability labeled as problematic has been found in llvm llvm-project up to 22.1.6 . This affects the function llvm::StringMap::insert in the library /lib/IR/ValueSymbolTable.cpp of the component ValueSymbolTable Module . The manipulation results in stack-based buffer overflow. This vulnerability is known as CVE-2026-13573 . Attacking locally is a requirement. Furthermore, an exploit is available. The project was informed of the problem early through an issue report but has not responded ye