Out-of-Bounds Read Vulnerability in WebAssembly wabt Affects User Security

CVE-2025-15412

What is CVE-2025-15412?

A vulnerability has been identified in the WebAssembly wabt toolchain, specifically in the function wabt::Decompiler::VarName located in the wasm-decompile component. This vulnerability allows for an out-of-bounds read attack, requiring local access to exploit. Given that the project currently lacks an active maintainer, concerns about timely patching of this security flaw are heightened. The issue has been publicized, and there are indications that the community may need to contribute to resolving it through direct submissions.

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