Threats Tagged 'cve-2026-34983'
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Threats Tagged 'cve-2026-34983'
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Wasmtime is a runtime for WebAssembly. In 43.0.0, cloning a wasmtime::Linker is unsound and can result in use-after-free bugs. This bug is not controllable by guest Wasm programs. It can only be triggered by a specific sequence of embedder API calls made by the host. Specifically, the following steps must occur to trigger the bug clone a wasmtime::Linker, drop the original linker instance, use the new, cloned linker instance, resulting in a use-after-free. This vulnerability is fixed in 43.0.1. Join the discussion | CVE Database V5 | 04/09/2026, 18:47:26 UTC Added: 04/09/2026, 19:05:48 UTC |
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