CVE-2024-30266Medium· 5.5▾ Sunlitwasmtime is a runtime for WebAssembly. The 19.0.0 release of Wasmtime contains a regression introduced during its development which can lead to a guest WebAssembly module causing a panic in the host runtime. A valid WebAssembly module, w…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 13.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.3%
0.3% → 0.3%
wasmtime is a runtime for WebAssembly. The 19.0.0 release of Wasmtime contains a regression introduced during its development which can lead to a guest WebAssembly module causing a panic in the host runtime. A valid WebAssembly module, when executed at runtime, may cause this panic. This vulnerability has been patched in version 19.0.1.
wasmtime <= 19.0.0Refer to the advisory for the patched release.
Connected by shared product, vendor, weakness, or advisory.
RUSTSEC-2026-0269NoneFilesystem sandbox escape when paths or symlinks contain trailing slashes
RUSTSEC-2026-0268NoneGuest controlled-size host heap allocation through WASIp3 streams
RUSTSEC-2026-0223NonePreemption and traps during bulk operations enable breaking internal VM state
RUSTSEC-2026-0222Low· 3.8Stores can mix up type indices between engines
CVE-2023-41880Low· 2.2Miscompilation of wasm `i64x2.shr_s` instruction with constant input on x86_64
CVE-2021-39216Medium· 6.3Out-of-bounds read/write and invalid free with `externref`s and GC safepoints in Wasmtime